एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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