Lua APA (7ú heag.)

Gavian, R. W., & Hamm, W. A. (1959). The American story. Heath.

Lua i Stíl Chicago (17ú heag.)

Gavian, Ruth Wood, agus William Albert Hamm. The American Story. Boston: Heath, 1959.

Lua MLA (8ú heag.)

Gavian, Ruth Wood, agus William Albert Hamm. The American Story. Heath, 1959.

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