Cita APA (7th ed.)

Pat O'Brien. (2001). Target Science: Foundation Tier. Oxford University Press.

Cita Chicago (17th ed.)

Pat O'Brien. Target Science: Foundation Tier. Oxford University Press, 2001.

Cita MLA (9th ed.)

Pat O'Brien. Target Science: Foundation Tier. Oxford University Press, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.