Roberts, J. L. (1991). General chemistry in the laboratory. New York: Freeman.
Trích dẫn kiểu ChicagoRoberts, Julian L. General Chemistry in the Laboratory. New York: Freeman, 1991.
MLA引文Roberts, Julian L. General Chemistry in the Laboratory. New York: Freeman, 1991.
警告：這些引文格式不一定是100％准確.