Muga Nishizawa, & The Pennsylvania State University Cite Seer X Archives. (o. J.). A Small Extension to Java for Class Refinement. http://www.csg.is.titech.ac.jp/paper/muga-Oops-sac2008.Pdf.
ISO-690 (author-date, English)MUGA NISHIZAWA und THE PENNSYLVANIA STATE UNIVERSITY CITESEERX ARCHIVES, [no date]. A Small Extension to Java for Class Refinement. http://www.csg.is.titech.ac.jp/paper/muga-oops-sac2008.pdf.
Modern Language Association 9th editionMuga Nishizawa, und The Pennsylvania State University Cite Seer X Archives. „A Small Extension to Java for Class Refinement“. http://www.csg.is.titech.ac.jp/paper/muga-Oops-sac2008.Pdf.
Mohr Siebeck - Recht (Deutsch - Österreich)Muga Nishizawa/The Pennsylvania State University Cite Seer X Archives: A Small Extension to Java for Class Refinement, http://www.csg.is.titech.ac.jp/paper/muga-oops-sac2008.pdf
Emerald - HarvardMuga Nishizawa und The Pennsylvania State University Cite Seer X Archives. (o. J.). „A Small Extension to Java for Class Refinement“, http://www.csg.is.titech.ac.jp/paper/muga-Oops-sac2008.Pdf.