Cita APA

Clark, S., & Busustow, N. (1980). How the whale got it's throat. Northbrook Ill: Learning Corporation of America.

Citación estilo Chicago

Clark, Steven, y Nick Busustow. How the Whale Got It's Throat. Northbrook Ill: Learning Corporation of America, 1980.

Cita MLA

Clark, Steven, y Nick Busustow. How the Whale Got It's Throat. Northbrook Ill: Learning Corporation of America, 1980.