Gaya APA

SHAUGHNESSY, J, J. et al (2003). Research methods in psychology, sixth edition (sixth edition). New Yok: McGraw-Hill International Book Company.

Gaya MLA

SHAUGHNESSY, John, J.. et al. "Research methods in psychology, sixth edition". sixth edition New Yok: McGraw-Hill International Book Company, 2003. Fakultas Psikologi.