APA Style
How to write business and other letters. (1971).
Cornwall:
E.J.P. Publications.
Chicago Style
How to write business and other letters.
.
Cornwall:
E.J.P. Publications,
1971.
Buku.
MLA Style
How to write business and other letters.
.
Cornwall:
E.J.P. Publications,
1971.
Buku.
Turabian Style
How to write business and other letters.
Cornwall:
E.J.P. Publications,
1971.
Buku.