Gaya APA

Seldner, B, J., Cothrel, J, P. (1994). Environmental decision making for engineering and business managers (1994). : New York : McGraw Hill Inc.,.

Gaya MLA

Seldner, Betty, J., Cothrel, Joseph, P. "Environmental decision making for engineering and business managers". 1994 : New York : McGraw Hill Inc.,, 1994. Text.