Gaya APA
Herrera, Mario, Pinkley, Diane. (2005).
Backpack 2 : Workbook .
New York:
Pearson Education.
Gaya Chicago
Herrera, Mario, Pinkley, Diane.
Backpack 2 : Workbook.
New York:
Pearson Education,
2005.
Text, Picture.
Gaya MLA
Herrera, Mario, Pinkley, Diane.
Backpack 2 : Workbook.
New York:
Pearson Education,
2005.
Text, Picture.
Gaya Turabian
Herrera, Mario, Pinkley, Diane.
Backpack 2 : Workbook.
New York:
Pearson Education,
2005.
Text, Picture.