Cita APA (7th ed.)
(1985). CAMPUS Reihe. Campus Verl.
Cita Chicago (17th ed.)
CAMPUS Reihe. Frankfurt, New York: Campus Verl, 1985.
Cita MLA (9th ed.)
CAMPUS Reihe. Campus Verl, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.