Gaya APA
Herrera, Mario, Diane Pinkley. (2009).
Backpack 5 .
Amerika USA:
Pearson Longman.
Gaya Chicago
Herrera, Mario, Diane Pinkley.
Backpack 5.
Amerika USA:
Pearson Longman,
2009.
SMP EXCELLENT.
Gaya MLA
Herrera, Mario, Diane Pinkley.
Backpack 5.
Amerika USA:
Pearson Longman,
2009.
SMP EXCELLENT.
Gaya Turabian
Herrera, Mario, Diane Pinkley.
Backpack 5.
Amerika USA:
Pearson Longman,
2009.
SMP EXCELLENT.