Gaya APA

ARDILL, S, B, A, J. (1989). THE GREENHOUSE EFFECT A practical Guide to World's Changing Climate . Britain: New English Library paperbacks.

Gaya MLA

ARDILL, STEWART, BOYLE, AND, JOHN. "THE GREENHOUSE EFFECT A practical Guide to World's Changing Climate". Britain: New English Library paperbacks, 1989. Buku.