Sanders, S., & Cheney, D. R. (1980). The Meaning of life: Questions, answers, and analysis. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Sanders, Steven, agus David R. Cheney. The Meaning of Life: Questions, Answers, and Analysis. Englewood Cliffs, N.J: Prentice-Hall, 1980.
Lua MLA (9ú heag.)Sanders, Steven, agus David R. Cheney. The Meaning of Life: Questions, Answers, and Analysis. Prentice-Hall, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.