Goodwin, C. James
Research in psychology : methods and design
John Wiley & Sons, 2005
Buku Teks
Goodwin, C. James
Research in psychology: methods and design
Wiley , 2010
Buku Teks
Shaughnessy, John J.
Research methods in psychology
McGraw-Hill, 1997
Buku Teks
Shaughnessy, John J.
Research methods in psychology
McGraw-Hill, 2003
Buku Teks
Mitchell, Mark L.
Research design explained
Thomson Wadsworth, 2007
Buku Teks