Orr, D. B. (1995). Fundamentals of applied statistics and surveys. Chapman and Hall.
Cita Chicago (17th ed.)Orr, David B. Fundamentals of Applied Statistics and Surveys. New York: Chapman and Hall, 1995.
Cita MLA (9th ed.)Orr, David B. Fundamentals of Applied Statistics and Surveys. Chapman and Hall, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.