Sapp, C. D. (2011). The verbal complex in subordinate clauses from medieval to modern German. John Benjamins Pub. Co..
Čikaški stil citiranja (17. izdanje)Sapp, Christopher D. The Verbal Complex in Subordinate Clauses from Medieval to Modern German. Amsterdam ; Philadelphia: John Benjamins Pub. Co., 2011.
MLA način citiranja (9. izdanje)Sapp, Christopher D. The Verbal Complex in Subordinate Clauses from Medieval to Modern German. John Benjamins Pub. Co., 2011.
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