Gul, S. (1998). Enzyme assays: Essential data. New York: John Wiley.
Trích dẫn kiểu ChicagoGul, S. Enzyme Assays: Essential Data. New York: John Wiley, 1998.
MLA引文Gul, S. Enzyme Assays: Essential Data. New York: John Wiley, 1998.
警告：这些引文格式不一定是100％准确.