Cita APA (7th ed.)

Sigdel, A., Chaudhary, S., Srivastava, A., & Jha, H. (2016). A Study of the Effectiveness of Pulse Polio Immunization Programme (PPIP) - 2053 B.S.

Cita Chicago (17th ed.)

Sigdel, A., S. Chaudhary, A. Srivastava, i HR Jha. A Study of the Effectiveness of Pulse Polio Immunization Programme (PPIP) - 2053 B.S. 2016.

Cita MLA (8th ed.)

Sigdel, A., et al. A Study of the Effectiveness of Pulse Polio Immunization Programme (PPIP) - 2053 B.S. 2016.