APA (7th ed.) Citation

Constance Immel. (2011). Better grammar in 30 minutes a day. AdvantageQuest Publications.

Chicago Style (17th ed.) Citation

Constance Immel. Better Grammar in 30 Minutes a Day. Petaling Jaya: AdvantageQuest Publications, 2011.

MLA (8th ed.) Citation

Constance Immel. Better Grammar in 30 Minutes a Day. AdvantageQuest Publications, 2011.

Warning: These citations may not always be 100% accurate.