Breckon, Donald J. ; Harvey, John R.; Lancaster, R. Brick . (1994). Community health education : settings, roles and skills for the 21st century. Rockville, Maryland : An Aspen Publ.

Breckon, Donald J.; Harvey, John R.; Lancaster, R. Brick . Community health education : settings, roles and skills for the 21st century. Rockville, Maryland : An Aspen Publ., 1994

Breckon, Donald J. ; Harvey, John R.; Lancaster, R. Brick . 1994. Community health education : settings, roles and skills for the 21st century. An Aspen Publ., Rockville, Maryland