Gaya APA
Schiffman, Stephan. (2011).
Negotiation techniques .
Jakarta:
PT Elex Media Komputindo.
Gaya Chicago
Schiffman, Stephan.
Negotiation techniques.
Jakarta:
PT Elex Media Komputindo,
2011.
Teks.
Gaya MLA
Schiffman, Stephan.
Negotiation techniques.
Jakarta:
PT Elex Media Komputindo,
2011.
Teks.
Gaya Turabian
Schiffman, Stephan.
Negotiation techniques.
Jakarta:
PT Elex Media Komputindo,
2011.
Teks.