Willis, P. (1977). Charles Bridgeman and the English landscape garden. A. Zwemmer.
Cita Chicago (17th ed.)Willis, Peter. Charles Bridgeman and the English Landscape Garden. London: A. Zwemmer, 1977.
Cita MLA (9th ed.)Willis, Peter. Charles Bridgeman and the English Landscape Garden. A. Zwemmer, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.