APA Style

Koch, Rachel Spack, Tesh, Geneva, Hagen, Stacy A., Azar, Betty S.. (2017). Understanding and Using English Grammar : Fifth Ediition Workbook . Singapore: Pearson Education.

Chicago Style

Koch, Rachel Spack, Tesh, Geneva, Hagen, Stacy A., Azar, Betty S.. Understanding and Using English Grammar : Fifth Ediition Workbook. Singapore: Pearson Education, 2017. Text.

MLA Style

Koch, Rachel Spack, Tesh, Geneva, Hagen, Stacy A., Azar, Betty S.. Understanding and Using English Grammar : Fifth Ediition Workbook. Singapore: Pearson Education, 2017. Text.

Turabian Style

Koch, Rachel Spack, Tesh, Geneva, Hagen, Stacy A., Azar, Betty S.. Understanding and Using English Grammar : Fifth Ediition Workbook. Singapore: Pearson Education, 2017. Print.