Immel, C., & Sacks, F. (2011). Better grammar in 30 minutes a day. Petaling Jaya: AdvantageQuest Publications.
Chicago Style CitationImmel, Constance, and Florence Sacks. Better Grammar in 30 Minutes a Day. Petaling Jaya: AdvantageQuest Publications, 2011.
MLA CitationImmel, Constance, and Florence Sacks. Better Grammar in 30 Minutes a Day. Petaling Jaya: AdvantageQuest Publications, 2011.
Warning: These citations may not always be 100% accurate.