Berkeley, A. 1. (2001). Jumping Jenny: A Roger sheringham case. Yorkshire: House of Stratus.
Dyfyniad Arddull ChicagoBerkeley, Anthony 1893-1971. Jumping Jenny: A Roger Sheringham Case. Yorkshire: House of Stratus, 2001.
Dyfyniad MLABerkeley, Anthony 1893-1971. Jumping Jenny: A Roger Sheringham Case. Yorkshire: House of Stratus, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.