Proctor, R. (1960). An index to the early printed books in the British Museum: from the invention of printing to the year 1500: With notes of those in the Bodleian Library. Holland Press.
Chicago-Zitierstil (17. Ausg.)Proctor, Robert. An Index to the Early Printed Books in the British Museum: From the Invention of Printing to the Year 1500: With Notes of Those in the Bodleian Library. London: Holland Press, 1960.
MLA-Zitierstil (9. Ausg.)Proctor, Robert. An Index to the Early Printed Books in the British Museum: From the Invention of Printing to the Year 1500: With Notes of Those in the Bodleian Library. Holland Press, 1960.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.