Graedel, E. E. (1996). Design for environment. Prentice-Hall.
Chicago Style aipamenaGraedel, E. E. Design for Environment. Upper Saddle River, N.J: Prentice-Hall, 1996.
MLA aipamenaGraedel, E. E. Design for Environment. Prentice-Hall, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.