Unesco. (1975). Teacher's study guide on the biology of human populations. Unesco Press.
Chicagoスタイル(17版)引用形式Unesco. Teacher's Study Guide on the Biology of Human Populations. Paris: Unesco Press, 1975.
MLA(9版)引用形式Unesco. Teacher's Study Guide on the Biology of Human Populations. Unesco Press, 1975.
警告: この引用は必ずしも正確ではありません.