Cita APA (7th ed.)

Clarke, D. J., & Clarke, D. J. (1995). The CNA study guide. Network Press.

Cita Chicago (17th ed.)

Clarke, David James, i David James Clarke. The CNA Study Guide. San Francisco: Network Press, 1995.

Cita MLA (9th ed.)

Clarke, David James, i David James Clarke. The CNA Study Guide. Network Press, 1995.