Eckhardt, W. W. (1970). Learning in multi-media programed instruction as a function of aptitude and instruction rate controlled by compressed speech.
Chicago-Zitierstil (17. Ausg.)Eckhardt, Wymond Walter. Learning in Multi-media Programed Instruction as a Function of Aptitude and Instruction Rate Controlled by Compressed Speech. 1970.
MLA-Zitierstil (9. Ausg.)Eckhardt, Wymond Walter. Learning in Multi-media Programed Instruction as a Function of Aptitude and Instruction Rate Controlled by Compressed Speech. 1970.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.