Chang, C., & Hedberg, J. G. (2007). Digital Libraries Creating Environmental Identity through Solving Geographical Problems.
Citazione stile Chigago Style (17a edizione)Chang, Chew-Hung, e John G. Hedberg. Digital Libraries Creating Environmental Identity Through Solving Geographical Problems. 2007.
Citatione MLA (9a ed.)Chang, Chew-Hung, e John G. Hedberg. Digital Libraries Creating Environmental Identity Through Solving Geographical Problems. 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.