Gaya APA

Park, W, R. (1984). COST ENGINEERING ANALYSIS ; a Guide to Economic Evaluation of Engineering Projects (2). Canada: JOHN WILEY & SON.

Gaya MLA

Park, Wiliam, R.. "COST ENGINEERING ANALYSIS ; a Guide to Economic Evaluation of Engineering Projects". 2 Canada: JOHN WILEY & SON, 1984. Text.