Gaya APA
Herrera, Mario. (2013).
Assessment package with audio: Big English 6 .
New York:
Pearson Education Limited.
Gaya Chicago
Herrera, Mario.
Assessment package with audio: Big English 6.
New York:
Pearson Education Limited,
2013.
Text.
Gaya MLA
Herrera, Mario.
Assessment package with audio: Big English 6.
New York:
Pearson Education Limited,
2013.
Text.
Gaya Turabian
Herrera, Mario.
Assessment package with audio: Big English 6.
New York:
Pearson Education Limited,
2013.
Print.