Hassell, S., Clancy, N., Burger, N., Nelson, C., & Rudavsky, R. (2010). An Assessment of the U.S. Environmental Protection Agency's National Environmental Performance Track Program. RAND Corporation.
Chicago (17e ed.) BronvermeldingHassell, Scott, Noreen Clancy, Nicholas Burger, Christopher Nelson, en Rena Rudavsky. An Assessment of the U.S. Environmental Protection Agency's National Environmental Performance Track Program. RAND Corporation, 2010.
MLA (9e ed.) BronvermeldingHassell, Scott, et al. An Assessment of the U.S. Environmental Protection Agency's National Environmental Performance Track Program. RAND Corporation, 2010.
Let op: Deze citaties zijn niet altijd 100% accuraat.