APA
Singh P. R. &. D. S. K., . (1976). Molecular spectroscopy. S. Chand & Company Ltd: New Delhi.
Chicago
Singh P R & Dikshit S K, . 1976. Molecular spectroscopy. S. Chand & Company Ltd: New Delhi.
Harvard
Singh P. R. &. D. S. K., . (1976). Molecular spectroscopy. S. Chand & Company Ltd: New Delhi.
MLA
Singh P R & Dikshit S K, . Molecular spectroscopy. S. Chand & Company Ltd: New Delhi. 1976.