Vig N. J. Norman & Axelrod R. S. Regina. (1999). The Global Environment. London, Earthscan, 1999.
Chicago Style (17th ed.) CitationVig N. J. Norman and Axelrod R. S. Regina. The Global Environment. London, Earthscan, 1999, 1999.
MLA引文Vig N. J. Norman and Axelrod R. S. Regina. The Global Environment. London, Earthscan, 1999, 1999.
警告:這些引文格式不一定是100%准確.