APA (7th ed.) Citation

Ladder Publishing. (1994). BBC new english course: Advanced-proficiency. Ladder Publishing.

Chicago Style (17th ed.) Citation

Ladder Publishing. BBC New English Course: Advanced-proficiency. [England]: Ladder Publishing, 1994.

MLA (8th ed.) Citation

Ladder Publishing. BBC New English Course: Advanced-proficiency. Ladder Publishing, 1994.

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