APA aipamena

Hahn, R. W. (1989). A primer on environmental policy design. Harwood Academic Pub.

Chicago Style aipamena

Hahn, Robert W. A Primer on Environmental Policy Design. Chur: Harwood Academic Pub, 1989.

MLA aipamena

Hahn, Robert W. A Primer on Environmental Policy Design. Harwood Academic Pub, 1989.