Gaya APA

Thuesen, G.J., Fabrycky, W.J.. (1989). Engineering economy, 7th ed. (7th ed.). New Jersey: Prentice Hall.

Gaya Chicago

Thuesen, G.J., Fabrycky, W.J.. Engineering economy, 7th ed.. 7th ed. New Jersey: Prentice Hall, 1989. Text.

Gaya MLA

Thuesen, G.J., Fabrycky, W.J.. Engineering economy, 7th ed.. 7th ed. New Jersey: Prentice Hall, 1989. Text.

Gaya Turabian

Thuesen, G.J., Fabrycky, W.J.. Engineering economy, 7th ed.. 7th ed. New Jersey: Prentice Hall, 1989. Print.