Cita APA (7th ed.)
BALLARD, K. (1987). TEACHING TELEPHONE SKILLS IN A WORKSHOP SETTING TO ADULTS WHO HAVE INTELLECTUAL HANDICAPS: TWO DATA-BASED CASE STUDIES.
Cita Chicago (17th ed.)
BALLARD, K.D. TEACHING TELEPHONE SKILLS IN A WORKSHOP SETTING TO ADULTS WHO HAVE INTELLECTUAL HANDICAPS: TWO DATA-BASED CASE STUDIES. 1987.
Cita MLA (9th ed.)
BALLARD, K.D. TEACHING TELEPHONE SKILLS IN A WORKSHOP SETTING TO ADULTS WHO HAVE INTELLECTUAL HANDICAPS: TWO DATA-BASED CASE STUDIES. 1987.
Atenció: Aquestes cites poden no estar 100% correctes.