Gaya APA

Technology (NIIT), N, I, O, I. (2003). (PASCA) Dictionary of Enviromental Science (Edisi 1). New York: Mc Graw-Hill International Book Company.

Gaya MLA

Technology (NIIT), National, Institute, Of, Information. "(PASCA) Dictionary of Enviromental Science". Edisi 1 New York: Mc Graw-Hill International Book Company, 2003. .