Cita APA (7a ed.)
Ward, T. W., & Herzog, W. A. (1974). Effective learning in non-formal education.
Cita estilo Chicago (17a ed.)
Ward, Ted W., y William A. Herzog. Effective Learning in Non-formal Education. 1974.
Cita MLA (9a ed.)
Ward, Ted W., y William A. Herzog. Effective Learning in Non-formal Education. 1974.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.