Παραπομπή σε μορφή APA (7η εκδ.)

Baumol, W. J. (1975). The theory of environmental policy: Externalities, public outlays and the quality of life. Prentice Hall.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Baumol, William J. The Theory of Environmental Policy: Externalities, Public Outlays and the Quality of Life. Englewood Cliffs, New Jersey: Prentice Hall, 1975.

Παραπομπή σε μορφή MLA (9th εκδ.)

Baumol, William J. The Theory of Environmental Policy: Externalities, Public Outlays and the Quality of Life. Prentice Hall, 1975.