Gaya APA
Lees, Gerald. (1983).
Negotiate in English : students book .
London:
Harrap.
Gaya Chicago
Lees, Gerald.
Negotiate in English : students book.
London:
Harrap,
1983.
Buku.
Gaya MLA
Lees, Gerald.
Negotiate in English : students book.
London:
Harrap,
1983.
Buku.
Gaya Turabian
Lees, Gerald.
Negotiate in English : students book.
London:
Harrap,
1983.
Buku.