Kraemer, H. C., & Blasey, C. (2016). How many subjects?: Statistical power analysis in research (Second edition.). Sage Publicastions, Inc.
Lua i Stíl Chicago (17ú heag.)Kraemer, Helena Chmura, agus Christine Blasey. How Many Subjects?: Statistical Power Analysis in Research. Second edition. Los Angeles: Sage Publicastions, Inc, 2016.
Lua MLA (9ú heag.)Kraemer, Helena Chmura, agus Christine Blasey. How Many Subjects?: Statistical Power Analysis in Research. Second edition. Sage Publicastions, Inc, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.