Gaya APA
GOV, U, S. (2003).
SELECTED ENVIRONMENTAL LAW STATUES 2003-2004 : EDUCATIONAL EDITION .
ST PAUL (USA):
WEST THOMSON.
Gaya MLA
GOV, UNITED, STATES.
"SELECTED ENVIRONMENTAL LAW STATUES 2003-2004 : EDUCATIONAL EDITION".
ST PAUL (USA):
WEST THOMSON,
2003.
Text.