Wallace, B. J. (1967). Gaddang agriculture: The focus of ecological and cultural change.
芝加哥风格引文Wallace, Benny Joe. Gaddang Agriculture: The Focus of Ecological and Cultural Change. [Madison, Wisconsin], 1967.
MLA引文Wallace, Benny Joe. Gaddang Agriculture: The Focus of Ecological and Cultural Change. 1967.
警告：这些引文格式不一定是100％准确.