Benjamin, R. F. (2001). Spills and ripples. United State: AIMS Education Foundation.
Trích dẫn kiểu ChicagoBenjamin, Robert F. Spills and Ripples. United State: AIMS Education Foundation, 2001.
MLA引文Benjamin, Robert F. Spills and Ripples. United State: AIMS Education Foundation, 2001.
警告:这些引文格式不一定是100%准确.