Rollen, C. (2014). Two Current Projects with Cartographic Interests. Kritische Berichte.
Cita Chicago (17th ed.)Rollen, Christopher. "Two Current Projects with Cartographic Interests." Kritische Berichte 2014.
Cita MLA (8th ed.)Rollen, Christopher. "Two Current Projects with Cartographic Interests." Kritische Berichte, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.