Cerin, E., Conway, T. L., Cain, K. L., Kerr, J., De Bourdeaudhuij, I., Owen, N., . . . Sallis, J. F. (2013). Sharing good NEWS across the world: Developing comparable scores across 12 countries for the neighborhood environment walkability scale (NEWS). BioMed Central.
Chicago-tyylinen lähdeviittausCerin, Ester, et al. Sharing Good NEWS Across the World: Developing Comparable Scores Across 12 Countries for the Neighborhood Environment Walkability Scale (NEWS). BioMed Central, 2013.
MLA-viiteCerin, Ester, et al. Sharing Good NEWS Across the World: Developing Comparable Scores Across 12 Countries for the Neighborhood Environment Walkability Scale (NEWS). BioMed Central, 2013.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.