रिकॉर्ड उद्धरण

एपीए उद्धरण

(Firm), P. (1997). The Guide to graduate environmental programs. Washington, D.C.

शिकागो स्टाइल उद्धरण

(Firm), ProQuest. The Guide to Graduate Environmental Programs. Washington, D.C, 1997.

एमएलए उद्धरण

(Firm), ProQuest. The Guide to Graduate Environmental Programs. Washington, D.C, 1997.

चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.