Schwager. (2011). Better vocabulary in 30 minutes a day. AdvantageQuest Publications.
Chicago Style (17th ed.) CitationSchwager. Better Vocabulary in 30 Minutes a Day. Petaling Jaya: AdvantageQuest Publications, 2011.
MLA (8th ed.) CitationSchwager. Better Vocabulary in 30 Minutes a Day. AdvantageQuest Publications, 2011.
Warning: These citations may not always be 100% accurate.