APA (7th ed.) Citation

Nor Bi Abd. Rahman. (2007). Let's proceed with simple english: A practical grammar workbook. Alaf 21.

Chicago Style (17th ed.) Citation

Nor Bi Abd. Rahman. Let's Proceed with Simple English: A Practical Grammar Workbook. Shah Alam: Alaf 21, 2007.

MLA (8th ed.) Citation

Nor Bi Abd. Rahman. Let's Proceed with Simple English: A Practical Grammar Workbook. Alaf 21, 2007.