Volkman, T. A., & Caldwell, I. (1990). Sulawesi: The Celebes. Periplus Editions.
Lua i Stíl Chicago (17ú heag.)Volkman, Toby Alice, agus Ian Caldwell. Sulawesi: The Celebes. Sinagpore: Periplus Editions, 1990.
Lua MLA (9ú heag.)Volkman, Toby Alice, agus Ian Caldwell. Sulawesi: The Celebes. Periplus Editions, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.