HOWARD CAROLINE. (2004). DISTANCE LEARNING AND UNIVERSITY EFFECTIVENESS. INFORMATION SCIENCE.
Chicago (17e ed.) BronvermeldingHOWARD CAROLINE. DISTANCE LEARNING AND UNIVERSITY EFFECTIVENESS. U S A: INFORMATION SCIENCE, 2004.
MLA (9e ed.) BronvermeldingHOWARD CAROLINE. DISTANCE LEARNING AND UNIVERSITY EFFECTIVENESS. INFORMATION SCIENCE, 2004.
Let op: Deze citaties zijn niet altijd 100% accuraat.