Ludlum, R. (1991). The Scarlatti inheritance ; The Osterman weekend ; The Matlock paper ; The Gemini contenders. Peerage Books.
Dyfyniad Arddull ChicagoLudlum, Robert. The Scarlatti Inheritance ; The Osterman Weekend ; The Matlock Paper ; The Gemini Contenders. London: Peerage Books, 1991.
Dyfyniad MLALudlum, Robert. The Scarlatti Inheritance ; The Osterman Weekend ; The Matlock Paper ; The Gemini Contenders. Peerage Books, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.