Albig, WIlliam
McGraw-Hill, 1939
Buku Teks
edited by Bernard Berelson and Morris Janowith
Free Press, 1966
Buku Teks
Ginneken, Jaap van
Lawrence Erlbaum Associates, 1938
Buku Teks
Ginneken, Jaap van
Lawrence Erlbaum Associates, 2002
Buku Teks
Raudha Putri Ekasari Caesaronthya
2015
UI - Makalah dan Kertas Kerja