Gaya APA
Poe, Ray W. (1988).
The McGraw-Hill handbook of business letters (2e).
New York:
McGraw Hill.
Gaya Chicago
Poe, Ray W.
The McGraw-Hill handbook of business letters.
2e
New York:
McGraw Hill,
1988.
Buku.
Gaya MLA
Poe, Ray W.
The McGraw-Hill handbook of business letters.
2e
New York:
McGraw Hill,
1988.
Buku.
Gaya Turabian
Poe, Ray W.
The McGraw-Hill handbook of business letters.
2e
New York:
McGraw Hill,
1988.
Buku.