American Society of Training Directors. (1961). Selected bibliographies covering twenty-seven training subjects. s.n.
Цитирование в стиле Чикаго (17-е изд.)American Society of Training Directors. Selected Bibliographies Covering Twenty-seven Training Subjects. Madison, Wis: s.n, 1961.
Цитирование MLA (9-е изд.)American Society of Training Directors. Selected Bibliographies Covering Twenty-seven Training Subjects. s.n, 1961.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.