Gaya APA
Herrera, Mario. (2013).
Workbook Big English 5 .
USA:
Pearson.
Gaya Chicago
Herrera, Mario.
Workbook Big English 5.
USA:
Pearson,
2013.
Text.
Gaya MLA
Herrera, Mario.
Workbook Big English 5.
USA:
Pearson,
2013.
Text.
Gaya Turabian
Herrera, Mario.
Workbook Big English 5.
USA:
Pearson,
2013.
Print.