APA引文

American Society of Training Directors. (1961). Selected bibliographies covering twenty-seven training subjects. s.n.

Chicago Style (17th ed.) Citation

American Society of Training Directors. Selected Bibliographies Covering Twenty-seven Training Subjects. Madison, Wis: s.n, 1961.

MLA引文

American Society of Training Directors. Selected Bibliographies Covering Twenty-seven Training Subjects. s.n, 1961.