APA (7 वां संस्करण) प्रशस्ति पत्र

Kraemer, H. C., & Blasey, C. (2016). How many subjects?: Statistical power analysis in research (Second edition.). Sage Publicastions, Inc.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Kraemer, Helena Chmura, और Christine Blasey. How Many Subjects?: Statistical Power Analysis in Research. Second edition. Los Angeles: Sage Publicastions, Inc, 2016.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Kraemer, Helena Chmura, और Christine Blasey. How Many Subjects?: Statistical Power Analysis in Research. Second edition. Sage Publicastions, Inc, 2016.