Davis, G. B., & Parker, C. A. S. (2012). Writing the doctoral dissertation: A systematic approach (3rd ed.). Barrons Educational Series, Inc..
Dyfyniad Arddull ChicagoDavis, Gordon B., and Clyde A. Straub Parker. Writing the Doctoral Dissertation: A Systematic Approach. 3rd ed. Hauppauge, NY: Barrons Educational Series, Inc., 2012.
Dyfyniad MLADavis, Gordon B., and Clyde A. Straub Parker. Writing the Doctoral Dissertation: A Systematic Approach. 3rd ed. Barrons Educational Series, Inc., 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.