APA Citation

Duckworth. (2006). Essential business grammar and practice: Elementary to pre-intermediate. Oxford: Oxfords University press.

Chicago Style Citation

Duckworth. Essential Business Grammar and Practice: Elementary to Pre-intermediate. Oxford: Oxfords University press, 2006.

MLA Citation

Duckworth. Essential Business Grammar and Practice: Elementary to Pre-intermediate. Oxford: Oxfords University press, 2006.

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