Roffey, S. E., & Litchfield, D. W. (2021). CK2 Regulation: Perspectives in 2021. MDPI AG.
Čikaški stil citiranja (17. izdanje)Roffey, Scott E., i David W. Litchfield. CK2 Regulation: Perspectives in 2021. MDPI AG, 2021.
MLA način citiranja (9. izdanje)Roffey, Scott E., i David W. Litchfield. CK2 Regulation: Perspectives in 2021. MDPI AG, 2021.
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