Cita APA (7th ed.)

National Council of Teachers of Mathematics, Shulte, A. P., & Smart, J. R. (1981). Teaching statistics and probability: 1981 NCTM yearbook. NCTM.

Cita Chicago (17th ed.)

National Council of Teachers of Mathematics, Albert P. Shulte, i James R. Smart. Teaching Statistics and Probability: 1981 NCTM Yearbook. Reston, VA: NCTM, 1981.

Cita MLA (9th ed.)

National Council of Teachers of Mathematics, et al. Teaching Statistics and Probability: 1981 NCTM Yearbook. NCTM, 1981.