Ports '89 Boston, Mass, American Society of Civil Engineers. Waterway, Port, Coastal, and Ocean Division, American Society of Civil Engineers. Boston Society of Civil Engineers Section, Massachusetts Port Authority, & Childs, K. M. (1989). Ports '89: Proceedings of the conference. American Society of Civil Engineers.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Ports '89 Boston, Mass, Port American Society of Civil Engineers. Waterway, American Society of Civil Engineers. Boston Society of Civil Engineers Section, Massachusetts Port Authority, và Kenneth M. Childs. Ports '89: Proceedings of the Conference. New York, N.Y.: American Society of Civil Engineers, 1989.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Ports '89 Boston, Mass, et al. Ports '89: Proceedings of the Conference. American Society of Civil Engineers, 1989.