APA-referens (7:e uppl.)

Norquist, J., Jenkinson, C., Fitzpatrick, R., & Swash, M. (2003). Factors which predict physical and mental health status in patients with amyotrophic lateral sclerosis over time.

Chicago-referens (17:e uppl.)

Norquist, J., C. Jenkinson, R. Fitzpatrick, och M. Swash. Factors Which Predict Physical and Mental Health Status in Patients with Amyotrophic Lateral Sclerosis over Time. 2003.

MLA-referens (9:e uppl.)

Norquist, J., et al. Factors Which Predict Physical and Mental Health Status in Patients with Amyotrophic Lateral Sclerosis over Time. 2003.

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