एपीए उद्धरण

Zerdick Axel and others. (2000). E-conomics: Strategies for the digital marketplace. Springer.

शिकागो स्टाइल उद्धरण

Zerdick Axel and others. E-conomics: Strategies for the Digital Marketplace. Berlin: Springer, 2000.

एमएलए उद्धरण

Zerdick Axel and others. E-conomics: Strategies for the Digital Marketplace. Springer, 2000.