Gaya APA
Bland, David J, Osterwalder, Alex. (2021).
Testing Business Ideas .
Jakarta:
Elex Media Komputindo.
Gaya Chicago
Bland, David J, Osterwalder, Alex.
Testing Business Ideas.
Jakarta:
Elex Media Komputindo,
2021.
Text.
Gaya MLA
Bland, David J, Osterwalder, Alex.
Testing Business Ideas.
Jakarta:
Elex Media Komputindo,
2021.
Text.
Gaya Turabian
Bland, David J, Osterwalder, Alex.
Testing Business Ideas.
Jakarta:
Elex Media Komputindo,
2021.
Print.