APA aipamena

Heer, J. E., & Hagerty, D. J. (1977). Environmental assessments and statements. Van Nostrand Reinhold.

Chicago Style aipamena

Heer, John E., and D. Joseph Hagerty. Environmental Assessments and Statements. New York: Van Nostrand Reinhold, 1977.

MLA aipamena

Heer, John E., and D. Joseph Hagerty. Environmental Assessments and Statements. Van Nostrand Reinhold, 1977.