Haak, K. (1991). Sleeping beauties. Gmünder.
Cita Chicago (17th ed.)Haak, Ken. Sleeping Beauties. Berlin: Gmünder, 1991.
Cita MLA (8th ed.)Haak, Ken. Sleeping Beauties. Gmünder, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.
Haak, K. (1991). Sleeping beauties. Gmünder.
Cita Chicago (17th ed.)Haak, Ken. Sleeping Beauties. Berlin: Gmünder, 1991.
Cita MLA (8th ed.)Haak, Ken. Sleeping Beauties. Gmünder, 1991.