Rattemeyer, C. (2001). Cumulus from America: Maskierte Methode. Parkett.
Cita Chicago (17th ed.)Rattemeyer, Christian. "Cumulus from America: Maskierte Methode." Parkett 2001.
Cita MLA (8th ed.)Rattemeyer, Christian. "Cumulus from America: Maskierte Methode." Parkett, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.