(VaRG), V. r. g. p. L. (2012). Valley research group private Limited (VaRG) General Profile. Valley research group private Limited (VaRG).
Chicago Style (17. basım) Atıf(VaRG), Valley research group private Limited. Valley Research Group Private Limited (VaRG) General Profile. Valley research group private Limited (VaRG), 2012.
MLA (8th ed.) Atıf(VaRG), Valley research group private Limited. Valley Research Group Private Limited (VaRG) General Profile. Valley research group private Limited (VaRG), 2012.
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