APA-viite (7. p.)
Northrop, D. E., Cooper, S., & Calder, K. (2007). Health insurance resources: A guide for people with chronic disease and disability (2nd ed.). Demos.
Chicago-viite (17. p.)
Northrop, Dorothy E., Stephen Cooper, ja Kimberly Calder. Health Insurance Resources: A Guide for People with Chronic Disease and Disability. 2nd ed. New York: Demos, 2007.
MLA-viite (9. p.)
Northrop, Dorothy E., et al. Health Insurance Resources: A Guide for People with Chronic Disease and Disability. 2nd ed. Demos, 2007.
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