Marvan, J. (1986). České stupňování: Degrees of comparison in Czech. Peter Lang International Academic Publishing Group.
Čikaški stil citiranja (17. izdanje)Marvan, Jirí. České Stupňování: Degrees of Comparison in Czech. Bern: Peter Lang International Academic Publishing Group, 1986.
MLA način citiranja (8. izdanje)Marvan, Jirí. České Stupňování: Degrees of Comparison in Czech. Peter Lang International Academic Publishing Group, 1986.
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