Gaya APA
M.Ak., I, M, P, S, A.
(2018).
Business Model and Business Plan di Era 4.O
.
Yogyakarta:
Quadrant.
Gaya MLA
M.Ak., Indra, Mahardika, Putra, S.E.,, Ak.,.
"Business Model and Business Plan di Era 4.O".
Yogyakarta:
Quadrant,
2018.
Text.