Warmke, W. (1970). Kleine Sportler. Abel & Müller.
Cita Chicago (17th ed.)Warmke, Winfried. Kleine Sportler. Leipzig: Abel & Müller, 1970.
Cita MLA (8th ed.)Warmke, Winfried. Kleine Sportler. Abel & Müller, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.