Citazione APA

Worcester, A., & Adam Worcester; Lark Bowerman; Eric Williamson. (2007). Building skills for the Toefl iBT: Beginning. Tp. Hồ Chí Minh: Trẻ.

Stile di citazione Chicago

Worcester, Adam, e Adam Worcester; Lark Bowerman; Eric Williamson. Building Skills for the Toefl IBT: Beginning. Tp. Hồ Chí Minh: Trẻ, 2007.

Citazione MLA

Worcester, Adam, e Adam Worcester; Lark Bowerman; Eric Williamson. Building Skills for the Toefl IBT: Beginning. Tp. Hồ Chí Minh: Trẻ, 2007.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.