West, R. O., & Stevens, R. A. (1988). Medical examination review: Public health & community medicine : 660 multiple-choise questions with referenced, explanatory answers (9η έκδ.). New York: Medical Examination Publ. Comp./Elsevier Science Publ..
Παραπομπή Chicago StyleWest, Raymond O., and Richard Adams Stevens. Medical Examination Review: Public Health & Community Medicine : 660 Multiple-choise Questions With Referenced, Explanatory Answers. 9η έκδ. New York: Medical Examination Publ. Comp./Elsevier Science Publ., 1988.
Παραπομπή MLAWest, Raymond O., and Richard Adams Stevens. Medical Examination Review: Public Health & Community Medicine : 660 Multiple-choise Questions With Referenced, Explanatory Answers. 9η έκδ. New York: Medical Examination Publ. Comp./Elsevier Science Publ., 1988.