(1970). Public health and preventive medicine: 1200 multiple choice questions and answers referenced to textbooks (4. ed.). Med. Examination Publ. Co.
Chicago-Zitierstil (17. Ausg.)Public Health and Preventive Medicine: 1200 Multiple Choice Questions and Answers Referenced to Textbooks. 4. ed. Flushing, N.Y: Med. Examination Publ. Co, 1970.
MLA-Zitierstil (9. Ausg.)Public Health and Preventive Medicine: 1200 Multiple Choice Questions and Answers Referenced to Textbooks. 4. ed. Med. Examination Publ. Co, 1970.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.