Gaya APA
Daniel, F, W, R, A, F, A. (1990).
Environmental Law ( In Anut Shell ) .
ST.Paul:
West Publishing Company.
Gaya MLA
Daniel, Findley, W., Roger, And, Farber, A..
"Environmental Law ( In Anut Shell )".
ST.Paul:
West Publishing Company,
1990.
Text.