COZBY, P. C. Methods in Behavioral Research, Edisi ke 9. Pustaka Pelajar.
Chicago Style (17th ed.) CitationCOZBY, Paul C. Methods in Behavioral Research, Edisi Ke 9. Pustaka Pelajar.
MLA (8th ed.) CitationCOZBY, Paul C. Methods in Behavioral Research, Edisi Ke 9. Pustaka Pelajar.
Warning: These citations may not always be 100% accurate.