Gaya APA

Park, Chan S.. (2011). Contemporary engineering economics (5th. Ed.). Singapore: Pearson Education Int..

Gaya Chicago

Park, Chan S.. Contemporary engineering economics. 5th. Ed. Singapore: Pearson Education Int., 2011. Text.

Gaya MLA

Park, Chan S.. Contemporary engineering economics. 5th. Ed. Singapore: Pearson Education Int., 2011. Text.

Gaya Turabian

Park, Chan S.. Contemporary engineering economics. 5th. Ed. Singapore: Pearson Education Int., 2011. Print.