Norberg, D., & Ziolkowski, J. M. (2004). An introduction to the study of medieval Latin versification. Catholic University of America Press.
Čikaški stil citiranja (17. izdanje)Norberg, Dag, i Jan M. Ziolkowski. An Introduction to the Study of Medieval Latin Versification. Washington, D.C.: Catholic University of America Press, 2004.
MLA način citiranja (9. izdanje)Norberg, Dag, i Jan M. Ziolkowski. An Introduction to the Study of Medieval Latin Versification. Catholic University of America Press, 2004.
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