Lua APA (7ú heag.)
Boehm, R. G., James L. Swanson, & Robbert Bednarz. (1995). World Geography: A physical and cultural approach. Glencoe/ McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)
Boehm, Richard G., James L. Swanson, agus Robbert Bednarz. World Geography: A Physical and Cultural Approach. New York: Glencoe/ McGraw-Hill, 1995.
Lua MLA (9ú heag.)
Boehm, Richard G., et al. World Geography: A Physical and Cultural Approach. Glencoe/ McGraw-Hill, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.