Habley, W. R., Bloom, J. L., & Robbins, S. B. (2012). Increasing persistence: Research-based strategies for college student success. Jossey-Bass.
Chicago-čujuhus (17. p.)Habley, Wesley R., Jennifer L. Bloom, juo Steven B. Robbins. Increasing Persistence: Research-based Strategies for College Student Success. San Francisco: Jossey-Bass, 2012.
MLA-čujuhus (9. p.)Habley, Wesley R., et al. Increasing Persistence: Research-based Strategies for College Student Success. Jossey-Bass, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.