Tohutoro APA (7th ed.)

Donovan, F. R. (1964). The vikings. American Heritage Publishing.

Tohutoru Kātū Chicago (17th ed.)

Donovan, Frank R. The Vikings. New York: American Heritage Publishing, 1964.

Tohutoro MLA (9th ed.)

Donovan, Frank R. The Vikings. American Heritage Publishing, 1964.