Gaya APA
Duckworth, Angela. (2017).
Grit .
United Kingdom:
Vermilion.
Gaya Chicago
Duckworth, Angela.
Grit.
United Kingdom:
Vermilion,
2017.
Text.
Gaya MLA
Duckworth, Angela.
Grit.
United Kingdom:
Vermilion,
2017.
Text.
Gaya Turabian
Duckworth, Angela.
Grit.
United Kingdom:
Vermilion,
2017.
Print.