Lin, B. B., Fuller, R. A., Bush, R., Gaston, K. J., & Shanahan, D. F. (2014). Opportunity or Orientation? Who Uses Urban Parks and Why. Public Library of Science.

Lin, Brenda B., Richard A. Fuller, Robert Bush, Kevin J. Gaston, و Danielle F. Shanahan. Opportunity or Orientation? Who Uses Urban Parks and Why. Public Library of Science, 2014.

Lin, Brenda B., et al. Opportunity or Orientation? Who Uses Urban Parks and Why. Public Library of Science, 2014.