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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.