Smalley, G., & Trent, J. (1990). The two sides of love: Using personality strengths to greatly improve your relationships. Tyndale.
Цитирование в стиле Чикаго (17-е изд.)Smalley, Gary, и John Trent. The Two Sides of Love: Using Personality Strengths to Greatly Improve Your Relationships. Wheaton: Tyndale, 1990.
Цитирование MLA (9-е изд.)Smalley, Gary, и John Trent. The Two Sides of Love: Using Personality Strengths to Greatly Improve Your Relationships. Tyndale, 1990.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.