APA-referens (7:e uppl.)

(NHRC), N. H. R. C., Sigdel, A., Chaudhary, S., Srivastava, A., & Jha, H. K. (2013). Study of the effectiveness of pulse polio immunization programme (PPIP) - 2053 B.S. Nepal Health Research Council.

Chicago-referens (17:e uppl.)

(NHRC), Nepal Health Research Council, Abindra Sigdel, Sanjay Chaudhary, Aseem Srivastava, och Harendra Kr Jha. Study of the Effectiveness of Pulse Polio Immunization Programme (PPIP) - 2053 B.S. Nepal Health Research Council, 2013.

MLA-referens (8:e uppl.)

(NHRC), Nepal Health Research Council, et al. Study of the Effectiveness of Pulse Polio Immunization Programme (PPIP) - 2053 B.S. Nepal Health Research Council, 2013.