(1941). AMERICAN PUBLIC HEALTH ASSOCIATION YEAR BOOK 1940-1941: Part III.
Chicago Style CitationAMERICAN PUBLIC HEALTH ASSOCIATION YEAR BOOK 1940-1941: Part III. 1941.
Cita MLAAMERICAN PUBLIC HEALTH ASSOCIATION YEAR BOOK 1940-1941: Part III. 1941.
Atenció: Aquestes cites poden no estar 100% correctes.