Gaya APA
PUTRA, Indra Mahardika. (2019).
Business Model and Business Plan di Era 4.0 .
Yogyakarta:
Quadrant.
Gaya Chicago
PUTRA, Indra Mahardika.
Business Model and Business Plan di Era 4.0.
Yogyakarta:
Quadrant,
2019.
Text.
Gaya MLA
PUTRA, Indra Mahardika.
Business Model and Business Plan di Era 4.0.
Yogyakarta:
Quadrant,
2019.
Text.
Gaya Turabian
PUTRA, Indra Mahardika.
Business Model and Business Plan di Era 4.0.
Yogyakarta:
Quadrant,
2019.
Print.