Dyfyniad APA
ebrary, Inc, & Krenshaw, O. G. (2009). Cruise ship pollution. Nova Science Publishers.
Dyfyniad Arddull Chicago
ebrary, Inc, and Oliver G. Krenshaw. Cruise Ship Pollution. New York: Nova Science Publishers, 2009.
Dyfyniad MLA
ebrary, Inc, and Oliver G. Krenshaw. Cruise Ship Pollution. Nova Science Publishers, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.