Applbaum, R. L. (1982). Effective oral communication for business and the professions. Chicago: Science Research Associates.
Чикагска система за цитиранеApplbaum, Ronald L. Effective Oral Communication for Business and the Professions. Chicago: Science Research Associates, 1982.
MLA формат за цитиранеApplbaum, Ronald L. Effective Oral Communication for Business and the Professions. Chicago: Science Research Associates, 1982.
Внимание: Тези цитати може да не са 100% точни.