Gaya APA
WARD, Barbara, DUBOS, Rene. (1972).
Only One Earth: The Care and Maintenance of a Small Planet (Ed. 1, Cet. 10).
Toronto:
Norton.
Gaya Chicago
WARD, Barbara, DUBOS, Rene.
Only One Earth: The Care and Maintenance of a Small Planet.
Ed. 1, Cet. 10
Toronto:
Norton,
1972.
Textbook.
Gaya MLA
WARD, Barbara, DUBOS, Rene.
Only One Earth: The Care and Maintenance of a Small Planet.
Ed. 1, Cet. 10
Toronto:
Norton,
1972.
Textbook.
Gaya Turabian
WARD, Barbara, DUBOS, Rene.
Only One Earth: The Care and Maintenance of a Small Planet.
Ed. 1, Cet. 10
Toronto:
Norton,
1972.
Textbook.