Gaya APA
Market Leader : Elementary Business English. (2007).
England:
Pearson Longman.
Gaya Chicago
Market Leader : Elementary Business English.
.
England:
Pearson Longman,
2007.
Text.
Gaya MLA
Market Leader : Elementary Business English.
.
England:
Pearson Longman,
2007.
Text.
Gaya Turabian
Market Leader : Elementary Business English.
England:
Pearson Longman,
2007.
Print.