Παραπομπή APA

Patterson, J. T., Fleegler, R., & Huebner, A. (2004). Twentieth - Century United States History: Sách chuyên khảo. United States: Brown University.

Παραπομπή Chicago Style

Patterson, James T., Robert Fleegler, και Andrew Huebner. Twentieth - Century United States History: Sách Chuyên Khảo. United States: Brown University, 2004.

Παραπομπή MLA

Patterson, James T., Robert Fleegler, και Andrew Huebner. Twentieth - Century United States History: Sách Chuyên Khảo. United States: Brown University, 2004.

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