Runquist , O., Creswell ,Clifford J, & Head , J. .. (1970). Chemical principles: A programmed text. Vakils, feffer and simons Ltd..
शिकागो स्टाइल उद्धरणRunquist , Olaf, Creswell ,Clifford J, और J .Thomas Head. Chemical Principles: A Programmed Text. India: Vakils, feffer and simons Ltd., 1970.
एमएलए उद्धरणRunquist , Olaf, et al. Chemical Principles: A Programmed Text. Vakils, feffer and simons Ltd., 1970.
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