APA-ийн эшлэл(7 дахь хэвлэлт)

Smalley, G., & Trent, J. (1990). The two sides of love: Using personality strengths to greatly improve your relationships. Tyndale.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Smalley, Gary, ба John Trent. The Two Sides of Love: Using Personality Strengths to Greatly Improve Your Relationships. Wheaton: Tyndale, 1990.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Smalley, Gary, ба John Trent. The Two Sides of Love: Using Personality Strengths to Greatly Improve Your Relationships. Tyndale, 1990.