Citace podle APA (7th ed.)

Não informado. (1932). Ulrich's Periodicals Directory: A classified guide to a selected list of current periodicals, foreign and domestic. R. R. Bowker.

Citace podle Chicago (17th ed.)

Não informado. Ulrich's Periodicals Directory: A Classified Guide to a Selected List of Current Periodicals, Foreign and Domestic. New York: R. R. Bowker, 1932.

Citace podle MLA (8th ed.)

Não informado. Ulrich's Periodicals Directory: A Classified Guide to a Selected List of Current Periodicals, Foreign and Domestic. R. R. Bowker, 1932.

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