(1960). Prachensky, Heiss, Kazula.
Cita Chicago (17th ed.)Prachensky, Heiss, Kazula. Aschaffenburg, 1960.
Cita MLA (8th ed.)Prachensky, Heiss, Kazula. 1960.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)