Cita APA (7a ed.)

Diyasena, W. (1976). Pre-vocational education in Sri Lanka. Unesco Press.

Cita Chicago Style (17a ed.)

Diyasena, W. Pre-vocational Education in Sri Lanka. Paris: Unesco Press, 1976.

Cita MLA (8a ed.)

Diyasena, W. Pre-vocational Education in Sri Lanka. Unesco Press, 1976.