APA (7e ed.) Bronvermelding

Liroff, R. A. (1976). A National policy for the environment: Nepa and its aftermath. Indiana U.Pr.

Chicago (17e ed.) Bronvermelding

Liroff, Richard A. A National Policy for the Environment: Nepa and Its Aftermath. London: Indiana U.Pr, 1976.

MLA (9e ed.) Bronvermelding

Liroff, Richard A. A National Policy for the Environment: Nepa and Its Aftermath. Indiana U.Pr, 1976.