APA-čujuhus (7. p.)
Spalek, J. M., & Hawrylchak, S. H. (2009). Franz Werfel: Bibliography of German editions. K.G. Saur.
Chicago-čujuhus (17. p.)
Spalek, John M., juo Sandra H. Hawrylchak. Franz Werfel: Bibliography of German Editions. München: K.G. Saur, 2009.
MLA-čujuhus (9. p.)
Spalek, John M., juo Sandra H. Hawrylchak. Franz Werfel: Bibliography of German Editions. K.G. Saur, 2009.
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