RingerlhRobert. The 10 habits of highly successful people: Powerful strategies for personal triumph.
Chicago Style (17th ed.) CitationRingerlhRobert. The 10 Habits of Highly Successful People: Powerful Strategies for Personal Triumph. Petaling Jaya lbAdvantage Quest lc1999.
MLA (9th ed.) CitationRingerlhRobert. The 10 Habits of Highly Successful People: Powerful Strategies for Personal Triumph.
Warning: These citations may not always be 100% accurate.