Isaac, F. S. (1938). An index to the early printed books in the British Museum: Part II, MDI - MDXX, section II. Italy, section III. Switzerland and Eastern Europe. Quaritch.
Chicago-Zitierstil (17. Ausg.)Isaac, Francis S. An Index to the Early Printed Books in the British Museum: Part II, MDI - MDXX, Section II. Italy, Section III. Switzerland and Eastern Europe. London: Quaritch, 1938.
MLA-Zitierstil (9. Ausg.)Isaac, Francis S. An Index to the Early Printed Books in the British Museum: Part II, MDI - MDXX, Section II. Italy, Section III. Switzerland and Eastern Europe. Quaritch, 1938.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.