Cook, Chris
Facts in File, 1991
Buku Teks
Malinowski, Bronislaw, 1884-1942
Dewan Bahasa dan Pustaka Kementerian Pelajaran, 1983
Buku Teks SO
Lomax, Louis E
Harper & Brothers Publishers, 1962
Buku Teks SO
edited by Herbert J. Spiro
Prentice-Hall, 1967
Buku Teks
Lomax, Louis.E
Random House, 1967
Buku Teks