APA Citation

Ellis, R., & Gaies, S. (1999). Impact grammar: Grammar through listening. Hong Kong: Longman.

Chicago Style Citation

Ellis, Rod, and Stephen Gaies. Impact Grammar: Grammar Through Listening. Hong Kong: Longman, 1999.

MLA Citation

Ellis, Rod, and Stephen Gaies. Impact Grammar: Grammar Through Listening. Hong Kong: Longman, 1999.

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