Gaya APA
upriyanto, Agus. (1996).
How to write impressive business letters .
New York:
TGW.C.
Gaya Chicago
upriyanto, Agus.
How to write impressive business letters.
New York:
TGW.C,
1996.
.
Gaya MLA
upriyanto, Agus.
How to write impressive business letters.
New York:
TGW.C,
1996.
.
Gaya Turabian
upriyanto, Agus.
How to write impressive business letters.
New York:
TGW.C,
1996.
.