Serviceeinschränkungen vom 12.-22.02.2026 - weitere Infos auf der UB-Homepage
American Psychological Association 6th edition

Jellie Sierksma, & Astrid M. G. Poorthuis. (2025). Mastery-Oriented or Outcome-Oriented Help? How Recipient Ethnicity and Task Difficulty Shape Children’s Helping Behavior. Developmental Science, 28(6), -13. https://doi.org/10.1111/desc.70071

ISO-690 (author-date, English)

JELLIE SIERKSMA und ASTRID M. G. POORTHUIS, 2025. Mastery-Oriented or Outcome-Oriented Help? How Recipient Ethnicity and Task Difficulty Shape Children’s Helping Behavior. Developmental Science. 1 November 2025. Vol. 28, no. 6, p. -13. DOI 10.1111/desc.70071.

Modern Language Association 9th edition

Jellie Sierksma, und Astrid M. G. Poorthuis. „Mastery-Oriented or Outcome-Oriented Help? How Recipient Ethnicity and Task Difficulty Shape Children’s Helping Behavior“. Developmental Science, Bd. 28, Nr. 6, November 2025, S. -13, https://doi.org/10.1111/desc.70071.

Mohr Siebeck - Recht (Deutsch - Österreich)

Jellie Sierksma/Astrid M. G. Poorthuis: Mastery-Oriented or Outcome-Oriented Help? How Recipient Ethnicity and Task Difficulty Shape Children’s Helping Behavior, Developmental Science 2025, -13.

Emerald - Harvard

Jellie Sierksma und Astrid M. G. Poorthuis. (2025), „Mastery-Oriented or Outcome-Oriented Help? How Recipient Ethnicity and Task Difficulty Shape Children’s Helping Behavior“, Developmental Science, Vol. 28 No. 6, S. -13.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.