Gaya APA

Workbook Longman Keystone 8;Text;;;Pearson;2011;;;428 Cha;Indonesia;Texas;428/11169;;;;;;. (). : .

Gaya Chicago

Workbook Longman Keystone 8;Text;;;Pearson;2011;;;428 Cha;Indonesia;Texas;428/11169;;;;;;. . : , . .

Gaya MLA

Workbook Longman Keystone 8;Text;;;Pearson;2011;;;428 Cha;Indonesia;Texas;428/11169;;;;;;. . : , . .

Gaya Turabian

Workbook Longman Keystone 8;Text;;;Pearson;2011;;;428 Cha;Indonesia;Texas;428/11169;;;;;;. : , . .