Gaya APA
Osterwalder, A., Pigneur, Y. (2017).
Business Model Generation (Cet. 11).
Jakarta:
PT Elex Media Komputindo.
Gaya MLA
Osterwalder, Alexander., Pigneur, Yves.
"Business Model Generation".
Cet. 11
Jakarta:
PT Elex Media Komputindo,
2017.
Art Original.