National Portrait Gallery (Gran Bretaña) & Ormond, R. (1979). National Portrait Gallery in colour. Studio Vista in association with the National Portrait Gallery.
Cita Chicago Style (17a ed.)National Portrait Gallery (Gran Bretaña) y Richard Ormond. National Portrait Gallery in Colour. London: Studio Vista in association with the National Portrait Gallery, 1979.
Cita MLA (8a ed.)National Portrait Gallery (Gran Bretaña) y Richard Ormond. National Portrait Gallery in Colour. Studio Vista in association with the National Portrait Gallery, 1979.
Precaución: Estas citas no son 100% exactas.