Pelolsky, A. (1981). Continuing education for businesspeople: A guide to 30.000 courses, conferences, seminars, workshops and independent study opportunities (First edition.). Detroit: Neal-Schuman Pueblishers Inc., Gale Research Company.
Παραπομπή Chicago StylePelolsky, Andrea. Continuing Education for Businesspeople: A Guide to 30.000 Courses, Conferences, Seminars, Workshops and Independent Study Opportunities. First edition. Detroit: Neal-Schuman Pueblishers Inc., Gale Research Company, 1981.
Παραπομπή MLAPelolsky, Andrea. Continuing Education for Businesspeople: A Guide to 30.000 Courses, Conferences, Seminars, Workshops and Independent Study Opportunities. First edition. Detroit: Neal-Schuman Pueblishers Inc., Gale Research Company, 1981.