Glasrud, B. A., & Smith, A. M. (1972). Promises to keep: A portrayal of nonwhites in the United States. Rand McNally.
Lua i Stíl Chicago (17ú heag.)Glasrud, Bruce A., agus Alan M. Smith. Promises to Keep: A Portrayal of Nonwhites in the United States. Chicago: Rand McNally, 1972.
Lua MLA (9ú heag.)Glasrud, Bruce A., agus Alan M. Smith. Promises to Keep: A Portrayal of Nonwhites in the United States. Rand McNally, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.