Gaya APA

Vesilind, P, A., Gunn, A, S. (1997). Enginereering, ethics, and the environment / P. Aarne Vesilind; Alastair S. Gunn . New York: Cambringe University Press.

Gaya MLA

Vesilind, P., Aarne., Gunn, Alastair, S.. "Enginereering, ethics, and the environment / P. Aarne Vesilind; Alastair S. Gunn". New York: Cambringe University Press, 1997. .