APA (7th ed.) Zitazioa

(1970). Index to computer assisted instruction. Edited by Helen A. Lekan.

Chicago Style (17th ed.) Zitazioa

Index to Computer Assisted Instruction. Edited by Helen A. Lekan. 1970.

MLA (9th ed.) Zitazioa

Index to Computer Assisted Instruction. Edited by Helen A. Lekan. 1970.