Alexander, W. B. 1. (1928). Birds of the ocean: A handbook for voyagers : containing descriptions of all the sea-birds of the world, with notes on their habits and guides to their identification. New York: G. P. Putnam's Sons.
Citación estilo ChicagoAlexander, Wilfred Backhouse 1885-1965. Birds of the Ocean: A Handbook for Voyagers : Containing Descriptions of All the Sea-birds of the World, With Notes On Their Habits and Guides to Their Identification. New York: G. P. Putnam's Sons, 1928.
Cita MLAAlexander, Wilfred Backhouse 1885-1965. Birds of the Ocean: A Handbook for Voyagers : Containing Descriptions of All the Sea-birds of the World, With Notes On Their Habits and Guides to Their Identification. New York: G. P. Putnam's Sons, 1928.