Dyfyniad APA

Ravenel, M. P. (1939). A Brief History of Bacteriological Investigations of the United States Public Health Service.

Dyfyniad Arddull Chicago

Ravenel, Mazÿck P. A Brief History of Bacteriological Investigations of the United States Public Health Service. 1939.

Dyfyniad MLA

Ravenel, Mazÿck P. A Brief History of Bacteriological Investigations of the United States Public Health Service. 1939.

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