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