Dyfyniad APA

(1948). A guide for the teaching of the history of the United States: A two-year course. [State Department of Education].

Dyfyniad Arddull Chicago

A Guide for the Teaching of the History of the United States: A Two-year Course. Trenton, N.J: [State Department of Education], 1948.

Dyfyniad MLA

A Guide for the Teaching of the History of the United States: A Two-year Course. [State Department of Education], 1948.

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