एपीए उद्धरण

Department of Science Education, N. (1969). Biology: An inquiry into life, Part 4: Genetics, Evolution and ecology.

शिकागो स्टाइल उद्धरण

Department of Science Education, NCERT. Biology: An Inquiry into Life, Part 4: Genetics, Evolution and Ecology. Department of Science Education, NCERT, 1969.

एमएलए उद्धरण

Department of Science Education, NCERT. Biology: An Inquiry into Life, Part 4: Genetics, Evolution and Ecology. 1969.