Παραπομπή APA

Schempp, W., & Keller, Z. (1977). Constructive theory of functijons of several variables [proceedings]. Springer-Verlag.

Παραπομπή Chicago Style

Schempp, W., και Z. Keller. Constructive Theory of Functijons of Several Variables [proceedings]. Berlin: Springer-Verlag, 1977.

Παραπομπή MLA

Schempp, W., και Z. Keller. Constructive Theory of Functijons of Several Variables [proceedings]. Springer-Verlag, 1977.