APA aipamena

Maps.com. (1999). Hypsometric Map Europe Spain. Santa Barbara: Maps.com.

Chicago Style aipamena

Maps.com. Hypsometric Map Europe Spain. Santa Barbara: Maps.com, 1999.

MLA aipamena

Maps.com. Hypsometric Map Europe Spain. Santa Barbara: Maps.com, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.