Colvin, H. M. (1968). Royal buildings. Country Life Books.
Cita Chicago (17th ed.)Colvin, H. M. Royal Buildings. Feltham: Country Life Books, 1968.
Cita MLA (8th ed.)Colvin, H. M. Royal Buildings. Country Life Books, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.