APA Style
Lou, Robby. (2011).
Workbook 1 For Elementary-Intermediate Learners of English around the World English Grammar and How to Use It .
Jakarta:
Mobile English Elplus.
Chicago Style
Lou, Robby.
Workbook 1 For Elementary-Intermediate Learners of English around the World English Grammar and How to Use It.
Jakarta:
Mobile English Elplus,
2011.
Text.
MLA Style
Lou, Robby.
Workbook 1 For Elementary-Intermediate Learners of English around the World English Grammar and How to Use It.
Jakarta:
Mobile English Elplus,
2011.
Text.
Turabian Style
Lou, Robby.
Workbook 1 For Elementary-Intermediate Learners of English around the World English Grammar and How to Use It.
Jakarta:
Mobile English Elplus,
2011.
Print.