Gaya APA
Herrera, Mario, Pinkley, Diane. (2009).
Workbook: Backpack 3 Second Edition .
Malaysia:
Singapore Asian Publications.
Gaya Chicago
Herrera, Mario, Pinkley, Diane.
Workbook: Backpack 3 Second Edition.
Malaysia:
Singapore Asian Publications,
2009.
Text.
Gaya MLA
Herrera, Mario, Pinkley, Diane.
Workbook: Backpack 3 Second Edition.
Malaysia:
Singapore Asian Publications,
2009.
Text.
Gaya Turabian
Herrera, Mario, Pinkley, Diane.
Workbook: Backpack 3 Second Edition.
Malaysia:
Singapore Asian Publications,
2009.
Print.