Graves, E. C. (1965). Ulrich's international periodicals directory: A classified guide to current periodicals, foreign and domestic (Eleventh edition.). R.R. Bowker Company.
Style de citation Chicago (17e éd.)Graves, Eileen C. Ulrich's International Periodicals Directory: A Classified Guide to Current Periodicals, Foreign and Domestic. Eleventh edition. New York: R.R. Bowker Company, 1965.
Style de citation MLA (8e éd.)Graves, Eileen C. Ulrich's International Periodicals Directory: A Classified Guide to Current Periodicals, Foreign and Domestic. Eleventh edition. R.R. Bowker Company, 1965.
Attention : ces citations peuvent ne pas être correctes à 100%.