Παραπομπή APA

Zimmern, A. (1926). Third British empire being a course of lectures delivered at Columbia University.

Παραπομπή Chicago Style

Zimmern, Alfred. Third British Empire Being a Course of Lectures Delivered at Columbia University. 1926.

Παραπομπή MLA

Zimmern, Alfred. Third British Empire Being a Course of Lectures Delivered at Columbia University. 1926.

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