Cita APA (7a ed.)

Ravid, R., & Oyer, E. (2011). Study guide for practical statistics for educators (4th ed.). Rowman & Littlefield Publishers.

Cita Chicago Style (17a ed.)

Ravid, Ruth, y Elizabeth Oyer. Study Guide for Practical Statistics for Educators. 4th ed. Lanham: Rowman & Littlefield Publishers, 2011.

Cita MLA (8a ed.)

Ravid, Ruth, y Elizabeth Oyer. Study Guide for Practical Statistics for Educators. 4th ed. Rowman & Littlefield Publishers, 2011.