APA استشهاد

Cleves, M. A. (2008). An introduction to survival analysis using stata (2nd ed.). Stata.

استشهاد بنمط شيكاغو

Cleves, Mario A...[et.al]. An Introduction to Survival Analysis Using Stata. 2nd ed. Texas: Stata, 2008.

MLA استشهاد

Cleves, Mario A...[et.al]. An Introduction to Survival Analysis Using Stata. 2nd ed. Stata, 2008.