APA
Haab T. C., McConnell K. E., . (2002). Valuing environmental and natural resources. Cheltenham, U.K: E. Elgar Pub.
Chicago
Haab Timothy C, McConnell Kenneth E, . 2002. Valuing environmental and natural resources. Cheltenham, U.K: E. Elgar Pub.
Harvard
Haab T. C., McConnell K. E., . (2002). Valuing environmental and natural resources. Cheltenham, U.K: E. Elgar Pub.
MLA
Haab Timothy C, McConnell Kenneth E, . Valuing environmental and natural resources. Cheltenham, U.K: E. Elgar Pub. 2002.