Gaya APA
Lees, Gerald. (1985).
Negotiate in English : teachers book .
Hongkong:
Nelson Harrap.
Gaya Chicago
Lees, Gerald.
Negotiate in English : teachers book.
Hongkong:
Nelson Harrap,
1985.
Buku.
Gaya MLA
Lees, Gerald.
Negotiate in English : teachers book.
Hongkong:
Nelson Harrap,
1985.
Buku.
Gaya Turabian
Lees, Gerald.
Negotiate in English : teachers book.
Hongkong:
Nelson Harrap,
1985.
Buku.