Gaya APA
Cotton, David. (1984).
World of business .
London:
Bell & Hyman.
Gaya Chicago
Cotton, David.
World of business.
London:
Bell & Hyman,
1984.
Buku Teks.
Gaya MLA
Cotton, David.
World of business.
London:
Bell & Hyman,
1984.
Buku Teks.
Gaya Turabian
Cotton, David.
World of business.
London:
Bell & Hyman,
1984.
Buku Teks.