Lua APA (7ú heag.)

Gastil, R. D., & Glazer, N. (1975). Cultural regions of the United States. Univ. of Washington Pr..

Lua i Stíl Chicago (17ú heag.)

Gastil, Raymond D., agus Nathan Glazer. Cultural Regions of the United States. Seattle ; London: Univ. of Washington Pr., 1975.

Lua MLA (8ú heag.)

Gastil, Raymond D., agus Nathan Glazer. Cultural Regions of the United States. Univ. of Washington Pr., 1975.

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