Gaya APA

Suyanto, . (2019). From a Start-Up to a Unicorn : E-Commerce and Digital Business in Industry 4.0 . Yogyakarta: Andi.

Gaya MLA

Suyanto, . "From a Start-Up to a Unicorn : E-Commerce and Digital Business in Industry 4.0". Yogyakarta: Andi, 2019. Buku.