APA (7e ed.) Bronvermelding

Kula, E. (1994). Economics of Natural Resources, the Environment and Policies (2nd. ed.). chapman & hall.

Chicago (17e ed.) Bronvermelding

Kula, E. Economics of Natural Resources, the Environment and Policies. 2nd. ed. London: chapman & hall, 1994.

MLA (9e ed.) Bronvermelding

Kula, E. Economics of Natural Resources, the Environment and Policies. 2nd. ed. chapman & hall, 1994.

Let op: Deze citaties zijn niet altijd 100% accuraat.