APA-ийн эшлэл(7 дахь хэвлэлт)

Harry, K. (1999). Higher education through open and distance learning. Routledge.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Harry, Keith. Higher Education Through Open and Distance Learning. London ; New York: Routledge, 1999.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Harry, Keith. Higher Education Through Open and Distance Learning. Routledge, 1999.