Gustav Leffers (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Gustav Leffers" in Italian language version.

refsWebsite

Global rank Italian rank

6^th place

8^th place

low place

6,360^th place

archive.org

VanWyngarden 2006, p. 26. (EN) Greg VanWyngarden, Early German Aces of World War I, Botley, Osprey Publishing Ltd., 2006, ISBN 1-84176-997-5.
VanWyngarden 2006, pp. 37-38. (EN) Greg VanWyngarden, Early German Aces of World War I, Botley, Osprey Publishing Ltd., 2006, ISBN 1-84176-997-5.
VanWyngarden 2006, pp. 70-72. (EN) Greg VanWyngarden, Early German Aces of World War I, Botley, Osprey Publishing Ltd., 2006, ISBN 1-84176-997-5.
VanWyngarden 2006, p. 75. (EN) Greg VanWyngarden, Early German Aces of World War I, Botley, Osprey Publishing Ltd., 2006, ISBN 1-84176-997-5.