Gaya APA
Cotton, David, Falvey, David, Kent, Simon. (2011).
Market leader : upper business English (Course book).
London:
Longman.
Gaya Chicago
Cotton, David, Falvey, David, Kent, Simon.
Market leader : upper business English.
Course book
London:
Longman,
2011.
Text.
Gaya MLA
Cotton, David, Falvey, David, Kent, Simon.
Market leader : upper business English.
Course book
London:
Longman,
2011.
Text.
Gaya Turabian
Cotton, David, Falvey, David, Kent, Simon.
Market leader : upper business English.
Course book
London:
Longman,
2011.
Print.