Gaya APA

SHAUGHNESSY, J, J. et al (2006). Research Methods In Psychology, seventh edition (SEVENTH EDITION). boston: McGraw-Hill International Book Company.

Gaya MLA

SHAUGHNESSY, John, J.. et al. "Research Methods In Psychology, seventh edition". SEVENTH EDITION boston: McGraw-Hill International Book Company, 2006. Fakultas Psikologi.