Παραπομπή APA

Egger, R. (1967). The president of the United States. New York: McGraw-Hill Book Company.

Παραπομπή Chicago Style

Egger, Rowland. The President of the United States. New York: McGraw-Hill Book Company, 1967.

Παραπομπή MLA

Egger, Rowland. The President of the United States. New York: McGraw-Hill Book Company, 1967.

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