APA
Singh S., . (1990). Molecular structure : A spectroscopic approach. Discovery Publishing House: New Delhi.
Chicago
Singh S.N, . 1990. Molecular structure : A spectroscopic approach. Discovery Publishing House: New Delhi.
Harvard
Singh S., . (1990). Molecular structure : A spectroscopic approach. Discovery Publishing House: New Delhi.
MLA
Singh S.N, . Molecular structure : A spectroscopic approach. Discovery Publishing House: New Delhi. 1990.