McCollough, C., & Van Atta, L. (1963). Statistical concepts: A program for self-instruction. McGraw-Hill.
Dyfyniad Arddull ChicagoMcCollough, Celeste, and Loche Van Atta. Statistical Concepts: A Program for Self-instruction. New York: McGraw-Hill, 1963.
Dyfyniad MLAMcCollough, Celeste, and Loche Van Atta. Statistical Concepts: A Program for Self-instruction. McGraw-Hill, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.