Diyasena, W. (1976). Pre-vocational education in Sri Lanka. Unesco Press.
Chicagoスタイル(17版)引用形式Diyasena, W. Pre-vocational Education in Sri Lanka. Paris: Unesco Press, 1976.
MLA(8版)引用形式Diyasena, W. Pre-vocational Education in Sri Lanka. Unesco Press, 1976.
警告: この引用は必ずしも正確ではありません.