Betty Schrampfer Azar,, Rachel Spack Koch, Susan Jamieson, Barbara Andrews, & Jeanie Francis. (1990). Understanding and Using English grammar: Workbook. USA: Prentice hall regents.
Chicago Style CitationBetty Schrampfer Azar,, Rachel Spack Koch, Susan Jamieson, Barbara Andrews, and Jeanie Francis. Understanding and Using English Grammar: Workbook. USA: Prentice hall regents, 1990.
MLA CitationBetty Schrampfer Azar,, et al. Understanding and Using English Grammar: Workbook. USA: Prentice hall regents, 1990.
Warning: These citations may not always be 100% accurate.