Gaya APA

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

Gaya MLA

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