Mustard, H. S. 1. (1953). An introduction to public health (3rd ed.). Macmillan.
Cita Chicago (17th ed.)Mustard, Harry Stoll 1889. An Introduction to Public Health. 3rd ed. New York: Macmillan, 1953.
Cita MLA (9th ed.)Mustard, Harry Stoll 1889. An Introduction to Public Health. 3rd ed. Macmillan, 1953.
Atenció: Aquestes cites poden no estar 100% correctes.