Gaya APA
Graedel,T.E, ., Allenby,B.R., .
(2010).
Industrial Ecology And Sustainable Engineering
.
Amerika:
Pearson.
Gaya MLA
Graedel,T.E, ., Allenby,B.R., .
"Industrial Ecology And Sustainable Engineering".
Amerika:
Pearson,
2010.
Textbook.