APA
UNITED NATIONS EDUCATIONAL SCIENTIFIC AND CULTURAL ORGANIZATION, UNITED NATIONS EDUCATIONAL SCIENTIFIC AND CULTURAL ORGANIZATION, . (1975). Teacher's study guide on the biology of human populations. Paris: UNESCO France.
Chicago
UNITED NATIONS EDUCATIONAL SCIENTIFIC AND CULTURAL ORGANIZATION, UNITED NATIONS EDUCATIONAL SCIENTIFIC AND CULTURAL ORGANIZATION, . 1975. Teacher's study guide on the biology of human populations. Paris: UNESCO France.
Harvard
UNITED NATIONS EDUCATIONAL SCIENTIFIC AND CULTURAL ORGANIZATION, UNITED NATIONS EDUCATIONAL SCIENTIFIC AND CULTURAL ORGANIZATION, . (1975). Teacher's study guide on the biology of human populations. Paris: UNESCO France.
MLA
UNITED NATIONS EDUCATIONAL SCIENTIFIC AND CULTURAL ORGANIZATION, UNITED NATIONS EDUCATIONAL SCIENTIFIC AND CULTURAL ORGANIZATION, . Teacher's study guide on the biology of human populations. Paris: UNESCO France. 1975.