Gaya APA
Royan, Frans M. (2005).
Market intellegence .
Jakarta:
Elex Media Komputindo.
Gaya Chicago
Royan, Frans M.
Market intellegence.
Jakarta:
Elex Media Komputindo,
2005.
Text.
Gaya MLA
Royan, Frans M.
Market intellegence.
Jakarta:
Elex Media Komputindo,
2005.
Text.
Gaya Turabian
Royan, Frans M.
Market intellegence.
Jakarta:
Elex Media Komputindo,
2005.
Print.