Gaya APA

Widjaja, A, P. (2018). 9 Rahasia Membangun Kekayaan Melalui Properti di Zaman Digital: Property is Not Just About Building, It's About People, Environment, and Technology. . Jakarta: PT. Elex Media Komputindo.

Gaya MLA

Widjaja, Adi, Putera. "9 Rahasia Membangun Kekayaan Melalui Properti di Zaman Digital: Property is Not Just About Building, It's About People, Environment, and Technology.". Jakarta: PT. Elex Media Komputindo, 2018. Nontext.