Citação norma APA

OFW Student Consulting and Research GmbH (OSCAR). (2000). E-commerce: A world of opportunities in virtual business development. Cologne.

Citação norma Chicago

OFW Student Consulting and Research GmbH (OSCAR). E-commerce: A World of Opportunities in Virtual Business Development. [S.l.]: Cologne, 2000.

Citação norma MLA

OFW Student Consulting and Research GmbH (OSCAR). E-commerce: A World of Opportunities in Virtual Business Development. Cologne, 2000.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.