Παραπομπή APA
International Symposium on Interval Mathematics, & Nickel, K. (1986). Interval mathematics 1985: Proceedings of the International Symposium, Freiburg i. Br., West Germany, September 1985. Berlin: Springer-Verlag.
Παραπομπή Chicago StyleInternational Symposium on Interval Mathematics, and Karl Nickel. Interval Mathematics 1985: Proceedings of the International Symposium, Freiburg I. Br., West Germany, September 1985. Berlin: Springer-Verlag, 1986.
Παραπομπή MLAInternational Symposium on Interval Mathematics, and Karl Nickel. Interval Mathematics 1985: Proceedings of the International Symposium, Freiburg I. Br., West Germany, September 1985. Berlin: Springer-Verlag, 1986.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.