...[et.al], d. o. S. W. Piagetian research: A handbook of recent studies. Surabaya : Citra Jaya, 1984.
Chicago Style Citation...[et.al], diwariskan oleh S. Wirjaatmadja. Piagetian Research: A Handbook of Recent Studies. Surabaya : Citra Jaya, 1984.
MLA Citation...[et.al], diwariskan oleh S. Wirjaatmadja. Piagetian Research: A Handbook of Recent Studies. Surabaya : Citra Jaya, 1984.
Warning: These citations may not always be 100% accurate.