Citação norma APA

WORK, J., & Brand, G. (2020). E-Commerce Business Model 2020: This Book Includes. INDEPENDENTLY PUBLISHED.

Citação norma Chicago

WORK, JIM, and George Brand. E-Commerce Business Model 2020: This Book Includes. [S.l.]: INDEPENDENTLY PUBLISHED, 2020.

Citação norma MLA

WORK, JIM, and George Brand. E-Commerce Business Model 2020: This Book Includes. INDEPENDENTLY PUBLISHED, 2020.

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