Genggar, C. Special verb patterns infernitures and auxiliary verbs. Kanisius.
Čikaški stil citiranja (17. izdanje)Genggar, Clemens. Special Verb Patterns Infernitures and Auxiliary Verbs. Kanisius.
MLA način citiranja (8. izdanje)Genggar, Clemens. Special Verb Patterns Infernitures and Auxiliary Verbs. Kanisius.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.