Sanders, Lalage D.
BPS Blackwell, 2010
Buku Teks
edited by Cath Sulivan and Michael A. Forrester
Sage, 2019
Buku Teks
Guilford, Joy Paul, 1897-1987
McGraw-Hill, 1954
Buku Teks SO
Guilford, Joy Paul, 1897-1987
McGraw-Hill, 1954
Buku Teks SO
Eysenck, Michael W.
Psychology Press, 2000
Buku Referensi