Gaya APA

George, L. (1997). HPLC METHODS FOR PHARMACEUTICAL ANALYSIS Vol 1 (XI-1631 hal ,; Vol 1). Canada: John Wiley & Sons, Inc.

Gaya MLA

George, Lunn.. "HPLC METHODS FOR PHARMACEUTICAL ANALYSIS Vol 1". XI-1631 hal ,; Vol 1 Canada: John Wiley & Sons, Inc, 1997. eBooks.