Cita APA (7th ed.)
Bradley, J. I., & McClelland, J. N. (1978). Basic statistical concepts: A self-instructional text (2nd ed.). Scott, Foresman.
Cita Chicago (17th ed.)
Bradley, Jack I., i James N. McClelland. Basic Statistical Concepts: A Self-instructional Text. 2nd ed. Illinois: Scott, Foresman, 1978.
Cita MLA (9th ed.)
Bradley, Jack I., i James N. McClelland. Basic Statistical Concepts: A Self-instructional Text. 2nd ed. Scott, Foresman, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.