Gaya APA
Herrera, Mario, Pinkley, Diane. (2009).
Workbook Backpack 2 : Second Edition .
Upper Saddle River, NJ:
Pearson Longman.
Gaya Chicago
Herrera, Mario, Pinkley, Diane.
Workbook Backpack 2 : Second Edition.
Upper Saddle River, NJ:
Pearson Longman,
2009.
Text.
Gaya MLA
Herrera, Mario, Pinkley, Diane.
Workbook Backpack 2 : Second Edition.
Upper Saddle River, NJ:
Pearson Longman,
2009.
Text.
Gaya Turabian
Herrera, Mario, Pinkley, Diane.
Workbook Backpack 2 : Second Edition.
Upper Saddle River, NJ:
Pearson Longman,
2009.
Print.