Gaya APA

GLASSON, J, ;, T, R, ;, C, A. (1999). Introduction to environmental impact assessment ; Principles and procedures, process, practice and prospects. second editon . : UCL Press Ltd.

Gaya MLA

GLASSON, John, ;, THERIVEL,, Riki, ;, CHADWICK,, Andrew. "Introduction to environmental impact assessment ; Principles and procedures, process, practice and prospects. second editon". : UCL Press Ltd, 1999. Buku.