The Princeton Review. (2022). The princeton review toefl ibt prep 2022. Princeton Review.
Chicago-čujuhus (17. p.)The Princeton Review. The Princeton Review Toefl Ibt Prep 2022. New York: Princeton Review, 2022.
MLA-čujuhus (9. p.)The Princeton Review. The Princeton Review Toefl Ibt Prep 2022. Princeton Review, 2022.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.