DigitalGlobe, I. (2004). Quickbird imagery products: Product guide. Colorado, USA: DigitalGlobe, Inc.
Chicago Style CitationDigitalGlobe, Inc. Quickbird Imagery Products: Product Guide. Colorado, USA: DigitalGlobe, Inc, 2004.
Cita MLADigitalGlobe, Inc. Quickbird Imagery Products: Product Guide. Colorado, USA: DigitalGlobe, Inc, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.