Watt, T. A. (1993). Introductory statistics for biology students. Chapman and Hall.
Cita Chicago (17th ed.)Watt, T. A. Introductory Statistics for Biology Students. Londres: Chapman and Hall, 1993.
Cita MLA (9th ed.)Watt, T. A. Introductory Statistics for Biology Students. Chapman and Hall, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.