APA (7th ed.) Zitazioa

Keller, S. (1990). Making profits out seafood wastes. University of Alaska Fairbanks.

Chicago Style (17th ed.) Zitazioa

Keller, Sue. Making Profits Out Seafood Wastes. Fairbanks: University of Alaska Fairbanks, 1990.

MLA (9th ed.) Zitazioa

Keller, Sue. Making Profits Out Seafood Wastes. University of Alaska Fairbanks, 1990.