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.
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