Gaya APA
Schlosser, L, A., Simonson, M. (2006).
DISTANCE EDUCATION: Definition and Glossary of Terms (2nd Edition).
Greenwich. USA:
Information Age Publishing (IAP).
Gaya MLA
Schlosser, Lee, Ayers., Simonson, Michael.
"DISTANCE EDUCATION: Definition and Glossary of Terms".
2nd Edition
Greenwich. USA:
Information Age Publishing (IAP),
2006.
Text.