GIBSON, J. (1990). SUPERVISORY CHALLENGES. MERRILL PUB. CO.
Chicago Style (17th ed.) CitationGIBSON, J.W. SUPERVISORY CHALLENGES. COLUMBUS: MERRILL PUB. CO, 1990.
MLA引文GIBSON, J.W. SUPERVISORY CHALLENGES. MERRILL PUB. CO, 1990.
警告:這些引文格式不一定是100%准確.