Gaya APA
Villiers, Les de, deKieffer, Donald. (1984).
Doing Business With The USA (1).
New York:
Business Books International.
Gaya Chicago
Villiers, Les de, deKieffer, Donald.
Doing Business With The USA.
1
New York:
Business Books International,
1984.
Buku.
Gaya MLA
Villiers, Les de, deKieffer, Donald.
Doing Business With The USA.
1
New York:
Business Books International,
1984.
Buku.
Gaya Turabian
Villiers, Les de, deKieffer, Donald.
Doing Business With The USA.
1
New York:
Business Books International,
1984.
Buku.