Cooper, D. R., & Schindler, P. S. S. (2012). Business Research Methods (11th.). Tata McGraw Hill.
Dyfyniad Arddull ChicagoCooper, Donald R., and Pamela S; Sharma Schindler. Business Research Methods. 11th. New Delhi: Tata McGraw Hill, 2012.
Dyfyniad MLACooper, Donald R., and Pamela S; Sharma Schindler. Business Research Methods. 11th. Tata McGraw Hill, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.