Phillips, D. (2006). Longman preparation course for the TOEFL test: Next generation iBT ; [with answer key] ([Nachdr.].). Longman.
Chicago Style (17th ed.) CitationPhillips, Deborah. Longman Preparation Course for the TOEFL Test: Next Generation IBT ; [with Answer Key]. [Nachdr.]. White Plains, N.Y: Longman, 2006.
MLA (9th ed.) CitationPhillips, Deborah. Longman Preparation Course for the TOEFL Test: Next Generation IBT ; [with Answer Key]. [Nachdr.]. Longman, 2006.
Warning: These citations may not always be 100% accurate.