Lua APA (7ú heag.)

Packard, L. O. (1948). Geography of the world. The Macmillan.

Lua i Stíl Chicago (17ú heag.)

Packard, Leonard O. Geography of the World. New York: The Macmillan, 1948.

Lua MLA (9ú heag.)

Packard, Leonard O. Geography of the World. The Macmillan, 1948.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.