APA-ийн эшлэл(7 дахь хэвлэлт)

TRIVEDI P R. (2000). ENCYCLOPEDIA OF ENVIRONMENTAL,POLLUTION,PLANNING AND CONSERVATION SET OF SIX VOLUMES. A.P.H.PUBLISHING CORPORATION.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

TRIVEDI P R. ENCYCLOPEDIA OF ENVIRONMENTAL,POLLUTION,PLANNING AND CONSERVATION SET OF SIX VOLUMES. NEW DELHI: A.P.H.PUBLISHING CORPORATION, 2000.

MLA -ийн эшлэл (9 дэх хэвлэлт)

TRIVEDI P R. ENCYCLOPEDIA OF ENVIRONMENTAL,POLLUTION,PLANNING AND CONSERVATION SET OF SIX VOLUMES. A.P.H.PUBLISHING CORPORATION, 2000.