APA (7th ed.) Zitazioa
Morgan, W. (2010). Yankee modern: The houses of Estes/Twombly. Princeton Architectural Press.
Chicago Style (17th ed.) Zitazioa
Morgan, William. Yankee Modern: The Houses of Estes/Twombly. New York: Princeton Architectural Press, 2010.
MLA (9th ed.) Zitazioa
Morgan, William. Yankee Modern: The Houses of Estes/Twombly. Princeton Architectural Press, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.