Gaya APA

Volkman, T, A, &, C, I, , (. (1990). Sulawesi the Celebes. . Berkeley: Berkeley Periplus Editions.

Gaya MLA

Volkman, Toby, Alice, &, Caldwell,, Ian, , (ed.). "Sulawesi the Celebes. ". Berkeley: Berkeley Periplus Editions, 1990. Buku.