Bolin, Luis A.
Alfred A. Knopf , 1962
Buku Teks
Meringolo, Denise D., author
University of Massachusetts Press, 2012
Buku Teks
Jatna Supriatna, author
Yayasan Pustaka Obor Indonesia, 2022
Buku Teks
Sutherland, Mary
Kodansia International, 1980
Buku Teks
National Geographic Society (U.S.)
National Geographic Society, 1989
Buku Referensi