Hasler, D., & Hasler, N. B. (1967). Personal, home, and community health. Macmillan.
Cita Chicago (17th ed.)Hasler, Doris, i Norman B. Hasler. Personal, Home, and Community Health. New York: Macmillan, 1967.
Cita MLA (9th ed.)Hasler, Doris, i Norman B. Hasler. Personal, Home, and Community Health. Macmillan, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.