APA aipamena

Brown, L. R. (1978). The Twenty-ninth day: Accomodating human needs and numbers to the earth's resources. W.W. Norton and Company, Inc.

Chicago Style aipamena

Brown, Lester R. The Twenty-ninth Day: Accomodating Human Needs and Numbers to the Earth's Resources. New York: W.W. Norton and Company, Inc, 1978.

MLA aipamena

Brown, Lester R. The Twenty-ninth Day: Accomodating Human Needs and Numbers to the Earth's Resources. W.W. Norton and Company, Inc, 1978.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.