APA Style
Herrera, Mario, Pinkley, Diane. (2009).
Backpack 6 .
Singapore:
Pearson Longman.
Chicago Style
Herrera, Mario, Pinkley, Diane.
Backpack 6.
Singapore:
Pearson Longman,
2009.
Text.
MLA Style
Herrera, Mario, Pinkley, Diane.
Backpack 6.
Singapore:
Pearson Longman,
2009.
Text.
Turabian Style
Herrera, Mario, Pinkley, Diane.
Backpack 6.
Singapore:
Pearson Longman,
2009.
Print.