APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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