Lua APA (7ú heag.)
Heintzelman, O. H., & Highsmith, R. M. (1955). World regional geography. Prentice-Hall International, Inc..
Lua i Stíl Chicago (17ú heag.)
Heintzelman, Oliver H., agus Richard M. Highsmith. World Regional Geography. Englewood Cliffs,: Prentice-Hall International, Inc., 1955.
Lua MLA (9ú heag.)
Heintzelman, Oliver H., agus Richard M. Highsmith. World Regional Geography. Prentice-Hall International, Inc., 1955.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.