Gaya APA
Menke, K.
(2019).
Discover QGIS 3.x: a workbook for clasroom or independent study
.
Chugiak, USA:
Locate Press.
Gaya MLA
Menke, Kurt.
"Discover QGIS 3.x: a workbook for clasroom or independent study".
Chugiak, USA:
Locate Press,
2019.
Text.