Gaya APA
Blake, Gary ; Bly, Robert W.. (1991).
The elements of business writing .
America:
Coller Book.
Gaya Chicago
Blake, Gary ; Bly, Robert W..
The elements of business writing.
America:
Coller Book,
1991.
Text.
Gaya MLA
Blake, Gary ; Bly, Robert W..
The elements of business writing.
America:
Coller Book,
1991.
Text.
Gaya Turabian
Blake, Gary ; Bly, Robert W..
The elements of business writing.
America:
Coller Book,
1991.
Print.