Selvam S.K. Distance Education For National Development. APH Publishing.
Chicagoスタイル(17版)引用形式Selvam S.K. Distance Education For National Development. New Delhi: APH Publishing.
MLA(9版)引用形式Selvam S.K. Distance Education For National Development. APH Publishing.
警告: この引用は必ずしも正確ではありません.