APA استشهاد

Wilson, A. G. (1977). Models of cities and region. John Wiley and Sons.

استشهاد بنمط شيكاغو

Wilson, A G. Models of Cities and Region. New York: John Wiley and Sons, 1977.

MLA استشهاد

Wilson, A G. Models of Cities and Region. John Wiley and Sons, 1977.