Cita APA (7a ed.)

Ritter, I. (2001). Klangstra©Ÿe. Schott.

Cita Chicago Style (17a ed.)

Ritter, Irmhild. Klangstra©Ÿe. Mainz [u.a.]: Schott, 2001.

Cita MLA (8a ed.)

Ritter, Irmhild. Klangstra©Ÿe. Schott, 2001.