APA (7th ed.) Citation

Lougheed, L. Direct to toefl iBT: Student´s book.

Chicago Style (17th ed.) Citation

Lougheed, Lin. Direct to Toefl IBT: Student´s Book.

MLA (8th ed.) Citation

Lougheed, Lin. Direct to Toefl IBT: Student´s Book.

Warning: These citations may not always be 100% accurate.