APA (7th ed.) Zitazioa

Grinderud, K., Rasmussen, H., Nilsen, S., Lillethun, A., Holten, A., & Sanderud, O. (2009). GIS: The geographic language of our age. Tapir Academic Press.

Chicago Style (17th ed.) Zitazioa

Grinderud, Knut, Haakon Rasmussen, Steinar Nilsen, Arvid Lillethun, Atle Holten, eta Oystein Sanderud. GIS: The Geographic Language of Our Age. Trondheim: Tapir Academic Press, 2009.

MLA (9th ed.) Zitazioa

Grinderud, Knut, et al. GIS: The Geographic Language of Our Age. Tapir Academic Press, 2009.