Παραπομπή APA

Berke, E. M., Koepsell, T. D., Moudon, A. V., Hoskins, R. E., & Larson, E. B. (2007). Association of the Built Environment With Physical Activity and Obesity in Older Persons. © American Journal of Public Health 2007.

Παραπομπή Chicago Style

Berke, Ethan M., Thomas D. Koepsell, Anne Vernez Moudon, Richard E. Hoskins, και Eric B. Larson. Association of the Built Environment With Physical Activity and Obesity in Older Persons. © American Journal of Public Health 2007, 2007.

Παραπομπή MLA

Berke, Ethan M., et al. Association of the Built Environment With Physical Activity and Obesity in Older Persons. © American Journal of Public Health 2007, 2007.

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