Polya, J. (1964). Are we safe: A layman's guide to controversy in public health. F.W. Cheshire.
Čikaški stil citiranja (17. izdanje)Polya, John. Are We Safe: A Layman's Guide to Controversy in Public Health. Melbourne: F.W. Cheshire, 1964.
MLA način citiranja (8. izdanje)Polya, John. Are We Safe: A Layman's Guide to Controversy in Public Health. F.W. Cheshire, 1964.
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