APA (7th ed.) Zitazioa

(2008). Essential metadata elements: Content standard for digital geospatial metadata (CSDGM).

Chicago Style (17th ed.) Zitazioa

Essential Metadata Elements: Content Standard for Digital Geospatial Metadata (CSDGM). 2008.

MLA (9th ed.) Zitazioa

Essential Metadata Elements: Content Standard for Digital Geospatial Metadata (CSDGM). 2008.

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