Gaya APA

suyanto, . (2019). form a start-up to a unicorn : e-commerce and digital business industry 4.0 (Ed.1). Yogyakarta: ANDI.

Gaya MLA

suyanto, . "form a start-up to a unicorn : e-commerce and digital business industry 4.0". Ed.1 Yogyakarta: ANDI, 2019. Text.