American Psychological Association 6th edition

Schallwig, M. [ca. 2022]. Job-ready SQL in an afternoon [Electronic]. [Place of publication not identified]: Packt Publishing.

ISO-690 (author-date, English)

SCHALLWIG, Maximilian, 2022. Job-ready SQL in an afternoon. [electronic]. 2022. [First edition]. [Place of publication not identified]: Packt Publishing. ISBN 9781804615027.

Modern Language Association 9th edition

Schallwig, M. Job-ready SQL in an afternoon. [First edition], electronic, Packt Publishing, 2022.

Mohr Siebeck - Recht (Deutsch - Österreich)

Emerald - Harvard

Schallwig, M. (2022), „Job-ready SQL in an afternoon“, Packt Publishing, [Place of publication not identified].

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