Phillips, d. (2006). Longman preparation course for the toefl test: IBT. Pearson Education.
Chicago-čujuhus (17. p.)Phillips, deborah. Longman Preparation Course for the Toefl Test: IBT. Pearson Education, 2006.
MLA-čujuhus (9. p.)Phillips, deborah. Longman Preparation Course for the Toefl Test: IBT. Pearson Education, 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.