Cita APA (7a ed.)

(2010). Longman active study dictionary (5th ed.). Pearson Education.

Cita Chicago Style (17a ed.)

Longman Active Study Dictionary. 5th ed. Harlow, Essex: Pearson Education, 2010.

Cita MLA (8a ed.)

Longman Active Study Dictionary. 5th ed. Pearson Education, 2010.