Mouton, Jane S.
Hague, 1968
Buku Teks
Abrami, Philip C.
Allyn and Bacon, 2001
Buku Teks
Aron, Arthur
Prentice-Hall, 1997
Buku Teks
Woodside, Arch G.
Emerald, 2017
eBooks
[edited by] Nico Schulte Nordholt, Leontine Visser
V U University Press, 1995
Buku Teks