CraikF. I. M., & TulvingE.Depth of processing and the retention of words in episodic memory. Journal of Experimental Psychology: General, 1975, 104, 268–294.
2.
EngleR. W., & MobleyL. A.The modality effect: what happens in long-term memory?Journal of Verbal Learning and Verbal Behavior, 1976, 15, 519–527. Accepted December 7, 1982.