Keyser, B. B. (1997). Practicing the application of health education skills and competencies. Jones and Bartlett Publishers.
Dyfyniad Arddull ChicagoKeyser, Bette B. Practicing the Application of Health Education Skills and Competencies. Sudburry, Mass: Jones and Bartlett Publishers, 1997.
Dyfyniad MLAKeyser, Bette B. Practicing the Application of Health Education Skills and Competencies. Jones and Bartlett Publishers, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.