Style de citation APA

Koch, R. S. (2006). Focus on grammar: An integrated skills approach. New York, NY: Pearson/Longman.

Style de citation Chicago

Koch, Rachel Spack. Focus On Grammar: An Integrated Skills Approach. New York, NY: Pearson/Longman, 2006.

Style de citation MLA

Koch, Rachel Spack. Focus On Grammar: An Integrated Skills Approach. New York, NY: Pearson/Longman, 2006.

Attention : ces citations peuvent ne pas être correctes à 100%.