ebrary, Inc, Gallin, J. I., & Ognibene, F. P. (2007). Principles and practice of clinical research (2nd ed.). Elsevier/Academic Press.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, John I. Gallin, agus Frederick P. Ognibene. Principles and Practice of Clinical Research. 2nd ed. Amsterdam ; Boston: Elsevier/Academic Press, 2007.
Lua MLA (9ú heag.)ebrary, Inc, et al. Principles and Practice of Clinical Research. 2nd ed. Elsevier/Academic Press, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.