Sandhu, S. K., & Bhardwaj, K. S. (1970). Study of sterilization units in the Union Territory of Delhi. Central Family Planning Institute.
Lua i Stíl Chicago (17ú heag.)Sandhu, S. K., agus K. S. Bhardwaj. Study of Sterilization Units in the Union Territory of Delhi. New Delhi: Central Family Planning Institute, 1970.
Lua MLA (8ú heag.)Sandhu, S. K., agus K. S. Bhardwaj. Study of Sterilization Units in the Union Territory of Delhi. Central Family Planning Institute, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.