Gaya APA
GOV, U, S, (. (1992).
SELECTED ENVIRONMENTAL LAW STATUES 1992-93: EDUCATIONAL EDITION .
ST PAUL (USA):
WEST PUBLISHING.
Gaya MLA
GOV, UNITED, STATES, (USA).
"SELECTED ENVIRONMENTAL LAW STATUES 1992-93: EDUCATIONAL EDITION".
ST PAUL (USA):
WEST PUBLISHING,
1992.
Text.