Gaya APA

Design for environment / T.E. Graedel, B.R. Allenby. (1998). : Upper Saddle Saddle River, N.J. : Prentice Hall..

Gaya MLA

Design for environment / T.E. Graedel, B.R. Allenby. . : Upper Saddle Saddle River, N.J. : Prentice Hall., 1998. Text.