RAO, S. P. S. S. R. (2012). Introduction to biostatistics and research methods. PHI Learning.
Lua i Stíl Chicago (17ú heag.)RAO, Sundar P. S. S. Richard. Introduction to Biostatistics and Research Methods. PHI Learning, 2012.
Lua MLA (9ú heag.)RAO, Sundar P. S. S. Richard. Introduction to Biostatistics and Research Methods. PHI Learning, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.