Graser, A., & Peterson, G. N. (2016). QGIS Map design. Locate Press.
Chicagoスタイル(17版)引用形式Graser, Anita, , Gretchen N. Peterson. QGIS Map Design. Chugiak, AK, USA: Locate Press, 2016.
MLA(8版)引用形式Graser, Anita, , Gretchen N. Peterson. QGIS Map Design. Locate Press, 2016.
警告: この引用は必ずしも正確ではありません.