Цитирование APA (7-е изд.)
Pyle Michael A. Cliffs Advanced Practice for the toefl: Cliffs Advanced Practice for the toefl. NCFU.
Цитирование в стиле Чикаго (17-е изд.)Pyle Michael A. Cliffs Advanced Practice for the Toefl: Cliffs Advanced Practice for the Toefl. NCFU.
Цитирование MLA (8-е изд.)Pyle Michael A. Cliffs Advanced Practice for the Toefl: Cliffs Advanced Practice for the Toefl. NCFU.
警告：这些引文格式不一定是100％准确.