APA (7th ed.) Citation

(2002). New proficiency gold (1. publ.). Longman.

Chicago Style (17th ed.) Citation

New Proficiency Gold. 1. publ. Harlow: Longman, 2002.

MLA (9th ed.) Citation

New Proficiency Gold. 1. publ. Longman, 2002.

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