Cita APA (7th ed.)

Göttner, R. (1972). Was ist - was soll Operationsforschung. Urania Verlag.

Cita Chicago (17th ed.)

Göttner, Reinhard. Was Ist - Was Soll Operationsforschung. Leipzig: Urania Verlag, 1972.

Cita MLA (8th ed.)

Göttner, Reinhard. Was Ist - Was Soll Operationsforschung. Urania Verlag, 1972.