Wallace, Robert, author
Amsterdam Time Life 1974
Buku Teks
Bendure, Glenda, author
Lonely Planet, 2003
Buku Teks
Lind, Andrew W., author
University of Hawaii Press, 1955
Buku Teks
edited by John F. McDermott, Wen-Shing Tseng, Thomas W. Maretzki
University of Hawaii Press, 1980
Buku Teks
Kuykendall, Ralph S., author
Prentice-Hall, 1961
Buku Teks