ebrary, Inc, & Krenshaw, O. G. (2009). Cruise ship pollution. Nova Science Publishers.
芝加哥风格引文ebrary, Inc, 与 Oliver G. Krenshaw. Cruise Ship Pollution. New York: Nova Science Publishers, 2009.
MLA引文ebrary, Inc, 与 Oliver G. Krenshaw. Cruise Ship Pollution. Nova Science Publishers, 2009.
警告：这些引文格式不一定是100％准确.