Halpern, S. L. (1970). The medical clinics of North America.
Chicagoスタイル(17版)引用形式Halpern, Seymour Lionel. The Medical Clinics of North America. 1970.
MLA(9版)引用形式Halpern, Seymour Lionel. The Medical Clinics of North America. 1970.
警告: この引用は必ずしも正確ではありません.