Bass, M. J., & Dunn, E. V. N. (1993). Conducting research in the practice setting. Sage Publications.
Dyfyniad Arddull ChicagoBass, Martin J., and Earl V. Norton Dunn. Conducting Research in the Practice Setting. Newbury Park, Calif.: Sage Publications, 1993.
Dyfyniad MLABass, Martin J., and Earl V. Norton Dunn. Conducting Research in the Practice Setting. Sage Publications, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.