Gulland, J. A. (1983). Fish stock assessment: : a manual of basic methods. John wiley.
Chicago Style aipamenaGulland, J. A. Fish Stock Assessment: : A Manual of Basic Methods. New York: John wiley, 1983.
MLA aipamenaGulland, J. A. Fish Stock Assessment: : A Manual of Basic Methods. John wiley, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.