APA (7e ed.) Bronvermelding
Miller, G. T. (1997). Sustaining the earth: An integrated approach (3rd ed.). Wadsworth Pub. Co..
Chicago (17e ed.) Bronvermelding
Miller, G. Tyler. Sustaining the Earth: An Integrated Approach. 3rd ed. New York: Wadsworth Pub. Co., 1997.
MLA (9e ed.) Bronvermelding
Miller, G. Tyler. Sustaining the Earth: An Integrated Approach. 3rd ed. Wadsworth Pub. Co., 1997.
Let op: Deze citaties zijn niet altijd 100% accuraat.