Gaya APA
Baum, Catherine; et.all. (2019).
TOEFL iBT Prep Plus 2020-2021 .
New York:
Kaplan Publishing.
Gaya Chicago
Baum, Catherine; et.all.
TOEFL iBT Prep Plus 2020-2021.
New York:
Kaplan Publishing,
2019.
Teks.
Gaya MLA
Baum, Catherine; et.all.
TOEFL iBT Prep Plus 2020-2021.
New York:
Kaplan Publishing,
2019.
Teks.
Gaya Turabian
Baum, Catherine; et.all.
TOEFL iBT Prep Plus 2020-2021.
New York:
Kaplan Publishing,
2019.
Teks.