Gaya APA
Udoyono, B., Paramitasari, A. (2017).
English for Business Negotiation and Administration (Cet.6).
Jakarta:
Kesaint Blanc.
Gaya MLA
Udoyono, Bambang., Paramitasari, Astrida.
"English for Business Negotiation and Administration".
Cet.6
Jakarta:
Kesaint Blanc,
2017.
Textbook.