Elbeik, S. (1998). Project skills. Oxford: Butterworth-Heinemann.
Trích dẫn kiểu ChicagoElbeik, Sam. Project Skills. Oxford: Butterworth-Heinemann, 1998.
MLA引文Elbeik, Sam. Project Skills. Oxford: Butterworth-Heinemann, 1998.
警告：這些引文格式不一定是100％准確.
APA引文