Gaya APA
Workbook Longman Keystone 8;Text;;;Pearson;2011;;;428 Cha;Indonesia;Texas;428/11170;;;;;;<11179 Smp 1i>. ().
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Gaya Chicago
Workbook Longman Keystone 8;Text;;;Pearson;2011;;;428 Cha;Indonesia;Texas;428/11170;;;;;;<11179 Smp 1i>.
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Gaya MLA
Workbook Longman Keystone 8;Text;;;Pearson;2011;;;428 Cha;Indonesia;Texas;428/11170;;;;;;<11179 Smp 1i>.
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Gaya Turabian
Workbook Longman Keystone 8;Text;;;Pearson;2011;;;428 Cha;Indonesia;Texas;428/11170;;;;;;<11179 Smp 1i>.
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