Friesen, G. (2011). Beginning Java 7. Apress.
Chicago Style (17th ed.) CitationFriesen, Geoff. Beginning Java 7. [S.l.], New York: Apress, 2011.
MLA (9th ed.) CitationFriesen, Geoff. Beginning Java 7. Apress, 2011.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.