Gaya APA
Penrose, Brenda. (1992).
Writing For Busines (Writing For Busines).
Jakarta:
Universitas Terbuka.
Gaya Chicago
Penrose, Brenda.
Writing For Busines.
Writing For Busines
Jakarta:
Universitas Terbuka,
1992.
Text.
Gaya MLA
Penrose, Brenda.
Writing For Busines.
Writing For Busines
Jakarta:
Universitas Terbuka,
1992.
Text.
Gaya Turabian
Penrose, Brenda.
Writing For Busines.
Writing For Busines
Jakarta:
Universitas Terbuka,
1992.
Print.