Gaya APA

Canada, E, P, D, ;, W, G, S, ;, J, R. (1984). Engineering economy; ed. 7 (ed. 7). London: Palgrave Macmillan.

Gaya MLA

Canada, E., Paul, DeGarmo, ;, William, G., Sullivan, ;, John, R.. "Engineering economy; ed. 7". ed. 7 London: Palgrave Macmillan, 1984. Text.