APA استشهاد

National council of educational research and training. (1975). Angaganitha beejaganitham. Keralabhasha institute.

استشهاد بنمط شيكاغو

National council of educational research and training. Angaganitha Beejaganitham. Thiruvananthapuram: Keralabhasha institute, 1975.

MLA استشهاد

National council of educational research and training. Angaganitha Beejaganitham. Keralabhasha institute, 1975.