Seifert, M. (1987). Sport 86. Sportverlag.
Cita Chicago (17th ed.)Seifert, Manfred. Sport 86. Berlin: Sportverlag, 1987.
Cita MLA (8th ed.)Seifert, Manfred. Sport 86. Sportverlag, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.
Seifert, M. (1987). Sport 86. Sportverlag.
Cita Chicago (17th ed.)Seifert, Manfred. Sport 86. Berlin: Sportverlag, 1987.
Cita MLA (8th ed.)Seifert, Manfred. Sport 86. Sportverlag, 1987.