Παραπομπή σε μορφή APA (7η εκδ.)

Symposium on Operations Research & Gritzmann, P. (1992). Operations research '91: Extended abstracts of the 16th Symposium on Operations Research, held at the University of Trier at September, 9-11, 1991. Physica-Verlag.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Symposium on Operations Research και Peter Gritzmann. Operations Research '91: Extended Abstracts of the 16th Symposium on Operations Research, Held at the University of Trier at September, 9-11, 1991. Heidelberg ; : New York: Physica-Verlag, 1992.

Παραπομπή σε μορφή MLA (9th εκδ.)

Symposium on Operations Research και Peter Gritzmann. Operations Research '91: Extended Abstracts of the 16th Symposium on Operations Research, Held at the University of Trier at September, 9-11, 1991. Physica-Verlag, 1992.