एपीए उद्धरण

(1975). TEACHERS STUDY guide on the biology of human population: Africa. Unesco.

शिकागो स्टाइल उद्धरण

TEACHERS STUDY Guide on the Biology of Human Population: Africa. Unesco, 1975.

एमएलए उद्धरण

TEACHERS STUDY Guide on the Biology of Human Population: Africa. Unesco, 1975.