APA Style

Lou, Robby. (2011). Workbook 1 for elementary-intermediate learners of English around the world English grammar and how to use it: a simple and clear explanation of important points of English grammar with lots of exercises with an answer key . Jakarta: Mobile English Eplus.

Chicago Style

Lou, Robby. Workbook 1 for elementary-intermediate learners of English around the world English grammar and how to use it: a simple and clear explanation of important points of English grammar with lots of exercises with an answer key. Jakarta: Mobile English Eplus, 2011. Book.

MLA Style

Lou, Robby. Workbook 1 for elementary-intermediate learners of English around the world English grammar and how to use it: a simple and clear explanation of important points of English grammar with lots of exercises with an answer key. Jakarta: Mobile English Eplus, 2011. Book.

Turabian Style

Lou, Robby. Workbook 1 for elementary-intermediate learners of English around the world English grammar and how to use it: a simple and clear explanation of important points of English grammar with lots of exercises with an answer key. Jakarta: Mobile English Eplus, 2011. Book.