APA aipamena

Stapp, W. B. (1975). Environmental education: A guide to information sources. Gale Research Company.

Chicago Style aipamena

Stapp, William B. Environmental Education: A Guide to Information Sources. Detroit, Michigan: Gale Research Company, 1975.

MLA aipamena

Stapp, William B. Environmental Education: A Guide to Information Sources. Gale Research Company, 1975.