Cita APA (7a ed.)

Pearce, D. W. (1993). Economic values and the natural world. Earthscan Publications Limited.

Cita Chicago Style (17a ed.)

Pearce, David W. Economic Values and the Natural World. London: Earthscan Publications Limited, 1993.

Cita MLA (9a ed.)

Pearce, David W. Economic Values and the Natural World. Earthscan Publications Limited, 1993.