Gaya APA
Putra, Indra Mahardika. (2019).
Business Model and Business Plan di Era 4.0 (1).
YOGYAKARTA:
Quadrant.
Gaya Chicago
Putra, Indra Mahardika.
Business Model and Business Plan di Era 4.0.
1
YOGYAKARTA:
Quadrant,
2019.
Text.
Gaya MLA
Putra, Indra Mahardika.
Business Model and Business Plan di Era 4.0.
1
YOGYAKARTA:
Quadrant,
2019.
Text.
Gaya Turabian
Putra, Indra Mahardika.
Business Model and Business Plan di Era 4.0.
1
YOGYAKARTA:
Quadrant,
2019.
Print.