APA aipamena

(1972). The new caxton enciclopédia 1972 Yearbook. Caxton Publishing Company.

Chicago Style aipamena

The New Caxton Enciclopédia 1972 Yearbook. Caxton Publishing Company, 1972.

MLA aipamena

The New Caxton Enciclopédia 1972 Yearbook. Caxton Publishing Company, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.