Стиль цитування APA (7-ме видання)

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

Чикаго стиль цитування (17-те видання)

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

Стиль цитування MLA (9-ме видання)

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