Gaya APA
King,FW. ().
English Busness Letters (Jogja,Longman,1979).
:
.
Gaya Chicago
King,FW.
English Busness Letters.
Jogja,Longman,1979
:
,
.
Text.
Gaya MLA
King,FW.
English Busness Letters.
Jogja,Longman,1979
:
,
.
Text.
Gaya Turabian
King,FW.
English Busness Letters.
Jogja,Longman,1979
:
,
.
Print.