Juul, S. (2006). An introduction to stata for health researchers. AUWSF (023135).
Chicago Style (17th ed.) ZitazioaJuul, Svend. An Introduction to Stata for Health Researchers. College Station: AUWSF (023135), 2006.
MLA (9th ed.) ZitazioaJuul, Svend. An Introduction to Stata for Health Researchers. AUWSF (023135), 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.