Marvan, J. (1986). České stupňování: Degrees of comparison in Czech. Peter Lang International Academic Publishing Group.
Cita Chicago (17th ed.)Marvan, Jirí. České Stupňování: Degrees of Comparison in Czech. Bern: Peter Lang International Academic Publishing Group, 1986.
Cita MLA (8th ed.)Marvan, Jirí. České Stupňování: Degrees of Comparison in Czech. Peter Lang International Academic Publishing Group, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.