Güttgemanns, E. Fundamentals of a Grammar of Oral Literature: Ergardt Güttgemanns. Patterns in oral literature.(1977).
Čikaški stil citiranja (17. izdanje)Güttgemanns, Ergardt. "Fundamentals of a Grammar of Oral Literature: Ergardt Güttgemanns." Patterns in Oral Literature.(1977) .
MLA način citiranja (8. izdanje)Güttgemanns, Ergardt. "Fundamentals of a Grammar of Oral Literature: Ergardt Güttgemanns." Patterns in Oral Literature.(1977), .
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