Gaya APA
Esnol, Armel, Lees, Gerald. (1985).
English for business .
New York:
Oxford University Press.
Gaya Chicago
Esnol, Armel, Lees, Gerald.
English for business.
New York:
Oxford University Press,
1985.
Buku.
Gaya MLA
Esnol, Armel, Lees, Gerald.
English for business.
New York:
Oxford University Press,
1985.
Buku.
Gaya Turabian
Esnol, Armel, Lees, Gerald.
English for business.
New York:
Oxford University Press,
1985.
Buku.