APA
Sethi P. D., . (1992). Identification of drugs in pharmaceutical formulations by thin layer chromatography. CBS Publishers & Distributors: New Delhi.
Chicago
Sethi P D, . 1992. Identification of drugs in pharmaceutical formulations by thin layer chromatography. CBS Publishers & Distributors: New Delhi.
Harvard
Sethi P. D., . (1992). Identification of drugs in pharmaceutical formulations by thin layer chromatography. CBS Publishers & Distributors: New Delhi.
MLA
Sethi P D, . Identification of drugs in pharmaceutical formulations by thin layer chromatography. CBS Publishers & Distributors: New Delhi. 1992.