Gaya APA

Baumol, W, J., Oates, W, E. (1979). Economics, Environmental Policy, and The Quality of Life . Englewood Cliffs, NJ: Prentice-Hall, Inc.

Gaya MLA

Baumol, William, J., Oates, Wallace, E. "Economics, Environmental Policy, and The Quality of Life". Englewood Cliffs, NJ: Prentice-Hall, Inc, 1979. Text.