Astin, A. W., Astin, H. S., & Lindholm, J. A. (2010). Cultivating the spirit: How college can enhance students' inner lives. Jossey-Bass.
Lua i Stíl Chicago (17ú heag.)Astin, Alexander W., Helen S. Astin, agus Jennifer A. Lindholm. Cultivating the Spirit: How College Can Enhance Students' Inner Lives. San Francisco, CA: Jossey-Bass, 2010.
Lua MLA (8ú heag.)Astin, Alexander W., et al. Cultivating the Spirit: How College Can Enhance Students' Inner Lives. Jossey-Bass, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.