Lapin, L. L. (1980). Study guide to accompany statistics, meaning and method: A self-paced approach. Harcourt Brace Jovanovich.
Lua i Stíl Chicago (17ú heag.)Lapin, Lawrence L. Study Guide to Accompany Statistics, Meaning and Method: A Self-paced Approach. New York: Harcourt Brace Jovanovich, 1980.
Lua MLA (9ú heag.)Lapin, Lawrence L. Study Guide to Accompany Statistics, Meaning and Method: A Self-paced Approach. Harcourt Brace Jovanovich, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.