Clark, A. W. (1985). Longman dictionary of geography: Human and physical. Longman.
芝加哥风格引文Clark, Audrey W. Longman Dictionary of Geography: Human and Physical. Essex, England: Longman, 1985.
MLA引文Clark, Audrey W. Longman Dictionary of Geography: Human and Physical. Longman, 1985.
警告：这些引文格式不一定是100％准确.