Gaya APA

Workbook Longman Keystone 7;Text;;;Pearson;2014;;;428 Cha;Indonesia;Texas;428/11155;;;;;;. (). : .

Gaya Chicago

Workbook Longman Keystone 7;Text;;;Pearson;2014;;;428 Cha;Indonesia;Texas;428/11155;;;;;;. . : , . .

Gaya MLA

Workbook Longman Keystone 7;Text;;;Pearson;2014;;;428 Cha;Indonesia;Texas;428/11155;;;;;;. . : , . .

Gaya Turabian

Workbook Longman Keystone 7;Text;;;Pearson;2014;;;428 Cha;Indonesia;Texas;428/11155;;;;;;. : , . .