Voß, P. (1986). Freie Zeit was nun? Dietz.
Cita Chicago (17th ed.)Voß, Peter. Freie Zeit Was Nun? Berlin: Dietz, 1986.
Cita MLA (8th ed.)Voß, Peter. Freie Zeit Was Nun? Dietz, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.
Voß, P. (1986). Freie Zeit was nun? Dietz.
Cita Chicago (17th ed.)Voß, Peter. Freie Zeit Was Nun? Berlin: Dietz, 1986.
Cita MLA (8th ed.)Voß, Peter. Freie Zeit Was Nun? Dietz, 1986.