APA Style
Chopra, A.
(2017).
Ketchup 2016 hands-On: Student Coursebook
(
1)
.
:
Wiley, For Dummies.
MLA Style
Chopra, Aidan.
"Ketchup 2016 hands-On: Student Coursebook".
1
:
Wiley, For Dummies,
2017.
Buku Refrensi.