Gaya APA

Volkman, T, A, &, C, I, , (. (1992). Sulawesi: The Celebes. . Singapore: Singapore Periplus Editions.

Gaya MLA

Volkman, Toby, Alice, &, Caldwell,, Ian, , (ed.). "Sulawesi: The Celebes. ". Singapore: Singapore Periplus Editions, 1992. Buku.