Aster, S. (1991). British foreign policy 1918 - 1945: A guide to research and research materials (Rev. ed.). Scholarly Resources Inc.
Chicago-Zitierstil (17. Ausg.)Aster, Sidney. British Foreign Policy 1918 - 1945: A Guide to Research and Research Materials. Rev. ed. Wilmington, Del: Scholarly Resources Inc, 1991.
MLA-Zitierstil (9. Ausg.)Aster, Sidney. British Foreign Policy 1918 - 1945: A Guide to Research and Research Materials. Rev. ed. Scholarly Resources Inc, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.