Gaya APA

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

Gaya MLA

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