Cita APA (7th ed.)

BAY BOOKS SYDNEY. (1972). Encyclopedia of the animal world 4: Bumble bees - chimpanzee. BAY books Sydney.

Cita Chicago (17th ed.)

BAY BOOKS SYDNEY. Encyclopedia of the Animal World 4: Bumble Bees - Chimpanzee. Sydney: BAY books Sydney, 1972.

Cita MLA (9th ed.)

BAY BOOKS SYDNEY. Encyclopedia of the Animal World 4: Bumble Bees - Chimpanzee. BAY books Sydney, 1972.