Becker, W. (1979). Joseph Edmund Jörg: Winfried Becker. Aschendorff.
Chicago Style (17. basım) AtıfBecker, Winfried. Joseph Edmund Jörg: Winfried Becker. Münster: Aschendorff, 1979.
MLA (8th ed.) AtıfBecker, Winfried. Joseph Edmund Jörg: Winfried Becker. Aschendorff, 1979.
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