Ember, Carol R.
Anthropology
Prentice-Hall, 1985
 Buku Teks SO
Haviland, William A.
Anthropology
Rinehart and Winston, 1974
 Buku Teks SO
Anthropology
edited by Allan H. Smith and John L. Fischer
Prentice-Hall, 1970
 Buku Teks SO
Mohanlall, Premilla
Green malaysia rainforest encounters
Malaysian Timber Council, 2002
 Buku Referensi
Wood, Julia T., 1950-
Interpersonal communication: everyday encounters
Wadsworth and Cengage Learning, 2013
 Buku Teks SO