Volkman, T. A., & Caldwell, I. (1990). Sulawesi: The Celebes. Periplus Editions.
芝加哥风格引文Volkman, Toby Alice, 与 Ian Caldwell. Sulawesi: The Celebes. Sinagpore: Periplus Editions, 1990.
MLA引文Volkman, Toby Alice, 与 Ian Caldwell. Sulawesi: The Celebes. Periplus Editions, 1990.
警告：这些引文格式不一定是100％准确.