APA-referens (7:e uppl.)
Schempp, W., & Zeller, K. (1982). Multivariate Approximation Theory: Proceedings of the conference held at the Mathematical Research Inst. at Oberwolfach, Black Forest. Birkhäuser.
Chicago-referens (17:e uppl.)
Schempp, Walter, och Karl Zeller. Multivariate Approximation Theory: Proceedings of the Conference Held at the Mathematical Research Inst. at Oberwolfach, Black Forest. Basel, Boston, Stuttgart: Birkhäuser, 1982.
MLA-referens (9:e uppl.)
Schempp, Walter, och Karl Zeller. Multivariate Approximation Theory: Proceedings of the Conference Held at the Mathematical Research Inst. at Oberwolfach, Black Forest. Birkhäuser, 1982.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.