Cita APA (7a ed.)
Tuunman, A. C. (1989). International encyclopedia of adult education and training.
Cita estilo Chicago (17a ed.)
Tuunman, Albert C. International Encyclopedia of Adult Education and Training. 1989.
Cita MLA (9a ed.)
Tuunman, Albert C. International Encyclopedia of Adult Education and Training. 1989.
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