APA (7e ed.) Bronvermelding
ebrary, Inc, & Machin, D. (2009). Sample size tables for clinical studies (3rd ed.). Wiley-Blackwell.
Chicago (17e ed.) Bronvermelding
ebrary, Inc, en David Machin. Sample Size Tables for Clinical Studies. 3rd ed. Chichester, UK ; Hoboken, NJ: Wiley-Blackwell, 2009.
MLA (9e ed.) Bronvermelding
ebrary, Inc, en David Machin. Sample Size Tables for Clinical Studies. 3rd ed. Wiley-Blackwell, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.