Cita APA (7th ed.)

Hebel, J. R., & McCarter, R. J. (2006). A study guide to epidemiology and biostatistics (6th ed.). Jones and Bartlett Publishers.

Cita Chicago (17th ed.)

Hebel, J. Richard, i Robert J. McCarter. A Study Guide to Epidemiology and Biostatistics. 6th ed. Sudbury, Mass.: Jones and Bartlett Publishers, 2006.

Cita MLA (8th ed.)

Hebel, J. Richard, i Robert J. McCarter. A Study Guide to Epidemiology and Biostatistics. 6th ed. Jones and Bartlett Publishers, 2006.