APA (7th ed.) Citation

ALEXANDER, L. Practice and progress an integrated course for pre-intermediate students. Longman Group.

Chicago Style (17th ed.) Citation

ALEXANDER, L.G. Practice and Progress an Integrated Course for Pre-intermediate Students. Longman Group.

MLA (8th ed.) Citation

ALEXANDER, L.G. Practice and Progress an Integrated Course for Pre-intermediate Students. Longman Group.

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