Gaya APA
Frankel, Erin. (2012).
Tough! .
Minneapolis:
Free Spirit.
Gaya Chicago
Frankel, Erin.
Tough!.
Minneapolis:
Free Spirit,
2012.
Text.
Gaya MLA
Frankel, Erin.
Tough!.
Minneapolis:
Free Spirit,
2012.
Text.
Gaya Turabian
Frankel, Erin.
Tough!.
Minneapolis:
Free Spirit,
2012.
Print.