Bendure, Glenda
Lonely Planet, 2003
Buku Teks
Lind, Andrew W.
University of Hawaii Press, 1955
Buku Teks SO
edited by John F. McDermott, Wen-Shing Tseng, Thomas W. Maretzki
University of Hawaii Press, 1980
Buku Teks SO
Kuykendall, Ralph S.
Prentice-Hall, 1961
Buku Teks SO
Conroy, Hilary
University of California Press, 1953
Buku Teks SO