APA-referens (7:e uppl.)

Baumol, W. J., & Oates, W. E. (1975). The theory of environmental policy ; externalities, public outlays, and the quality of life. Prentice-Hall.

Chicago-referens (17:e uppl.)

Baumol, William J., och Wallace E. Oates. The Theory of Environmental Policy ; Externalities, Public Outlays, and the Quality of Life. Englewood Cliffs, N. J: Prentice-Hall, 1975.

MLA-referens (9:e uppl.)

Baumol, William J., och Wallace E. Oates. The Theory of Environmental Policy ; Externalities, Public Outlays, and the Quality of Life. Prentice-Hall, 1975.