(1999). Policy statements adopted by the Governing Council of the American Public Health Association, November 18, 1998.
Chicago Stili AlıntıPolicy Statements Adopted By the Governing Council of the American Public Health Association, November 18, 1998. 1999.
MLA AlıntıPolicy Statements Adopted By the Governing Council of the American Public Health Association, November 18, 1998. 1999.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..