Dyfyniad APA

Thorp, W., Baker, C., & Curti, M. E. (1941). American issues .. J. P. Lippincott company.

Dyfyniad Arddull Chicago

Thorp, Willard, Carlos Baker, and Merle Eugene Curti. American Issues .. Chicago: J. P. Lippincott company, 1941.

Dyfyniad MLA

Thorp, Willard, et al. American Issues .. J. P. Lippincott company, 1941.

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