Negi, K. S. (2002). Biostatistics (2nd ed.). A.I.T.B.S. Publishers.
Chicago Style (17th ed.) ZitazioaNegi, K. S. Biostatistics. 2nd ed. Delhi: A.I.T.B.S. Publishers, 2002.
MLA (9th ed.) ZitazioaNegi, K. S. Biostatistics. 2nd ed. A.I.T.B.S. Publishers, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.