Gaya APA

Swanson, C, P., Peiris, K. (NULL). Integrated approach to curriculum development in primary education ì in Sri Lanka . Paris:: Paris: Unesco; 1976..

Gaya MLA

Swanson, Carl, P.., Peiris, K.. "Integrated approach to curriculum development in primary education ì in Sri Lanka". Paris:: Paris: Unesco; 1976., NULL. Text.