APA-viite

Long, D. J. (1997). First account oí tbe Birdbeak Dogfish Shark, Deania calcea, (Chondrichthyes: SquaUdae) from tbe northern coast of Peru.

Chicago-tyylinen lähdeviittaus

Long, Douglas J. First Account Oí Tbe Birdbeak Dogfish Shark, Deania Calcea, (Chondrichthyes: SquaUdae) From Tbe Northern Coast of Peru. 1997.

MLA-viite

Long, Douglas J. First Account Oí Tbe Birdbeak Dogfish Shark, Deania Calcea, (Chondrichthyes: SquaUdae) From Tbe Northern Coast of Peru. 1997.

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