APA Style
Herrera, Mario. ().
Backpack 3 Second Edition .
:
.
Chicago Style
Herrera, Mario.
Backpack 3 Second Edition.
:
,
.
Text.
MLA Style
Herrera, Mario.
Backpack 3 Second Edition.
:
,
.
Text.
Turabian Style
Herrera, Mario.
Backpack 3 Second Edition.
:
,
.
Print.