Armitage, p. B. (1994). Statistical methods in medical research (3rd-ed.). Blackwell Scientific Publications.
Cita Chicago (17th ed.)Armitage, p. Berry. Statistical Methods in Medical Research. 3rd-ed. London: Blackwell Scientific Publications, 1994.
Cita MLA (8th ed.)Armitage, p. Berry. Statistical Methods in Medical Research. 3rd-ed. Blackwell Scientific Publications, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.