Gaya APA

Horn, D, E., Strauss, M, J. (1986). PROBLEMS IN ORGANIC CHEMISTRY; A Lead-Oriented Approach . Canada: John Wiley & Sons.

Gaya MLA

Horn, David, E.., Strauss, Michael, J.. "PROBLEMS IN ORGANIC CHEMISTRY; A Lead-Oriented Approach". Canada: John Wiley & Sons, 1986. Text.