KRISHNA PRASAD. (2004). HEALTH EDUCATION. SONALI PUB.
Chicago Style aipamenaKRISHNA PRASAD. HEALTH EDUCATION. ND: SONALI PUB, 2004.
MLA aipamenaKRISHNA PRASAD. HEALTH EDUCATION. SONALI PUB, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.