Phillips, D. (2004). Longman preparation course for the TOEFL test: The paper test. [New York]: Pearson Education.
Παραπομπή Chicago StylePhillips, Deborah. Longman Preparation Course for the TOEFL Test: The Paper Test. [New York]: Pearson Education, 2004.
Παραπομπή MLAPhillips, Deborah. Longman Preparation Course for the TOEFL Test: The Paper Test. [New York]: Pearson Education, 2004.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.