ഫലകം:RefAudubonMarineMammals

Randall R. Reeves, Brent S. Stewart, Phillip J. Clapham and James A. Powell (2002). National Audubon Society Guide to Marine Mammals of the World. Alfred A. Knopf, Inc. ISBN 0375411410.{{cite book}}: CS1 maint: multiple names: authors list (link)