APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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