Gaya APA
Shaughnessy, J, J. (2007).
Metodologi penelitian psikologi = research methods in psychology (Ed. 7).
Jogyakarta:
Pustaka Pelajar.
Gaya MLA
Shaughnessy, John, J..
"Metodologi penelitian psikologi = research methods in psychology".
Ed. 7
Jogyakarta:
Pustaka Pelajar,
2007.
Text.