Gaya APA
alfano. (2005).
sales gurus speak out .
Jakarta:
Kompas Gramedia.
Gaya Chicago
alfano.
sales gurus speak out.
Jakarta:
Kompas Gramedia,
2005.
Text.
Gaya MLA
alfano.
sales gurus speak out.
Jakarta:
Kompas Gramedia,
2005.
Text.
Gaya Turabian
alfano.
sales gurus speak out.
Jakarta:
Kompas Gramedia,
2005.
Print.