Picken, R. M. F. (1936). PUBLIC HEALTH IN THE UNITED STATES OF AMERICA: II.—INFECTIOUS DISEASE.
Chicago ZitierstilPicken, Ralph M. F. PUBLIC HEALTH IN THE UNITED STATES OF AMERICA: II.—INFECTIOUS DISEASE. 1936.
MLA ZitierstilPicken, Ralph M. F. PUBLIC HEALTH IN THE UNITED STATES OF AMERICA: II.—INFECTIOUS DISEASE. 1936.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.