(1999). Higher education through open and distance learning. Routledge.
Chicagoスタイル(17版)引用形式Higher Education Through Open and Distance Learning. Routledge, 1999.
MLA(9版)引用形式Higher Education Through Open and Distance Learning. Routledge, 1999.
警告: この引用は必ずしも正確ではありません.