Dyfyniad APA

Roy, M. K., & Paul, J. C. (2012). Business statistics. Jahangir Press.

Dyfyniad Arddull Chicago

Roy, Manindra Kumar, and Jiban Chandra Paul. Business Statistics. Chittagong: Jahangir Press, 2012.

Dyfyniad MLA

Roy, Manindra Kumar, and Jiban Chandra Paul. Business Statistics. Jahangir Press, 2012.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.