Barkowsky, T., & Barkowsky, T. (2002). Mental Representation and Processing of Geographic Knowledge: A Computational Approach (1st ed. 2002.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-36194-4
Παραπομπή σε μορφή Chicago (17η εκδ.)Barkowsky, Thomas, και Thomas Barkowsky. Mental Representation and Processing of Geographic Knowledge: A Computational Approach. 1st ed. 2002. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2002. https://doi.org/10.1007/3-540-36194-4.
Παραπομπή σε μορφή MLA (8th εκδ.)Barkowsky, Thomas, και Thomas Barkowsky. Mental Representation and Processing of Geographic Knowledge: A Computational Approach. 1st ed. 2002. Springer Berlin Heidelberg : Imprint: Springer, 2002. https://doi.org/10.1007/3-540-36194-4.
