APA (7th ed.) Citation

Champman,L.R.H. English grammar And Exercises Book Three. longman.

Chicago Style (17th ed.) Citation

Champman,L.R.H. English Grammar And Exercises Book Three. Harlow: longman.

MLA (9th ed.) Citation

Champman,L.R.H. English Grammar And Exercises Book Three. longman.

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