Dannenbaum, D. (2005). 30 days to the TOEFL CBT: [30 one-a-day lessons for complete TOEFL prep] ([Nachdr.].). Thomson Peterson's.
Chicago Style (17th ed.) CitationDannenbaum, David. 30 Days to the TOEFL CBT: [30 One-a-day Lessons for Complete TOEFL Prep]. [Nachdr.]. [Princeton, NJ] [u.a.]: Thomson Peterson's, 2005.
MLA (9th ed.) CitationDannenbaum, David. 30 Days to the TOEFL CBT: [30 One-a-day Lessons for Complete TOEFL Prep]. [Nachdr.]. Thomson Peterson's, 2005.
Warning: These citations may not always be 100% accurate.