APA (7e ed.) Bronvermelding
ebrary, Inc, & Foster, J. (1997). Valuing nature?: Ethics, economics and the environment. Routledge.
Chicago (17e ed.) Bronvermelding
ebrary, Inc, en John Foster. Valuing Nature?: Ethics, Economics and the Environment. London ; New York: Routledge, 1997.
MLA (9e ed.) Bronvermelding
ebrary, Inc, en John Foster. Valuing Nature?: Ethics, Economics and the Environment. Routledge, 1997.
Let op: Deze citaties zijn niet altijd 100% accuraat.