APA ציטוט

Shaughnessy, J. J. (2006). Research methods in psychology. Boston, Mass: McGraw-Hill.

Trích dẫn kiểu Chicago

Shaughnessy, John J. Research Methods in Psychology. Boston, Mass: McGraw-Hill, 2006.

ציטוט MLA

Shaughnessy, John J. Research Methods in Psychology. Boston, Mass: McGraw-Hill, 2006.