Unwin, D. (2011). Teaching geographic information science and technology in higher education. Wiley Blackwell.
Lua i Stíl Chicago (17ú heag.)Unwin, D. Teaching Geographic Information Science and Technology in Higher Education. Hoboken, N.J: Wiley Blackwell, 2011.
Lua MLA (9ú heag.)Unwin, D. Teaching Geographic Information Science and Technology in Higher Education. Wiley Blackwell, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.