CROPLEY, A. J. (2003). International encyclopedia of higher education volume 1: Creativity in higher education and learning.. Crest Publishing House.

CROPLEY, Arthur J. International Encyclopedia of Higher Education Volume 1: Creativity in Higher Education and Learning.. New Delhi: Crest Publishing House, 2003.

CROPLEY, Arthur J. International Encyclopedia of Higher Education Volume 1: Creativity in Higher Education and Learning.. Crest Publishing House, 2003.