Gaya APA
Kiyosaki, R, T. et al
(2018).
The Business of The 21st Century
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Jakarta:
PT. Gramedia Pustaka Utama.
Gaya MLA
Kiyosaki, Robert, T.. et al.
"The Business of The 21st Century".
Jakarta:
PT. Gramedia Pustaka Utama,
2018.
Buku.