APA (7th ed.) Zitazioa
United States. Government Accountability Office, ebrary, Inc, Caruana, D. L., & Buck, E. H. (2010). Marine mammal protection issues. Nova Science Publishers.
Chicago Style (17th ed.) Zitazioa
United States. Government Accountability Office, Inc ebrary, Derek L. Caruana, eta Eugene H. Buck. Marine Mammal Protection Issues. Hauppauge, N.Y.: Nova Science Publishers, 2010.
MLA (9th ed.) Zitazioa
United States. Government Accountability Office, et al. Marine Mammal Protection Issues. Nova Science Publishers, 2010.
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