Lua APA (7ú heag.)

Craven, A. O., & Johnson, W. (1950). The United States, experiment in democracy. Ginn.

Lua i Stíl Chicago (17ú heag.)

Craven, Avery Odelle, agus Walter Johnson. The United States, Experiment in Democracy. Boston: Ginn, 1950.

Lua MLA (9ú heag.)

Craven, Avery Odelle, agus Walter Johnson. The United States, Experiment in Democracy. Ginn, 1950.

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