Cita APA

Summers], [. D. (2003). Longman. Pearson Education.

Chicago Style (17th ed.) Citation

Summers], [Dir. Della. Longman. Pearson Education, 2003.

Cita MLA

Summers], [Dir. Della. Longman. Pearson Education, 2003.

Atenció: Aquestes cites poden no estar 100% correctes.