APA
KATRITZKY A. R. A. L., . (1967). THE PRINCIPLES OF HETEROCYCLIC CHEMISTRY. HYDERABAD: PHARMA MED PRESS.
Chicago
KATRITZKY ALAN R AND LAGOWSKI,M, . 1967. THE PRINCIPLES OF HETEROCYCLIC CHEMISTRY. HYDERABAD: PHARMA MED PRESS.
Harvard
KATRITZKY A. R. A. L., . (1967). THE PRINCIPLES OF HETEROCYCLIC CHEMISTRY. HYDERABAD: PHARMA MED PRESS.
MLA
KATRITZKY ALAN R AND LAGOWSKI,M, . THE PRINCIPLES OF HETEROCYCLIC CHEMISTRY. HYDERABAD: PHARMA MED PRESS. 1967.