APA
Sharma Y. R. &. V. O., . (1989). Elementary organic spectroscopy. S. Chand & Company Ltd: New Delhi.
Chicago
Sharma Y R & Vig O.P, . 1989. Elementary organic spectroscopy. S. Chand & Company Ltd: New Delhi.
Harvard
Sharma Y. R. &. V. O., . (1989). Elementary organic spectroscopy. S. Chand & Company Ltd: New Delhi.
MLA
Sharma Y R & Vig O.P, . Elementary organic spectroscopy. S. Chand & Company Ltd: New Delhi. 1989.