APA (7 वां संस्करण) प्रशस्ति पत्र
Smalley, G. a. P. (2006). the DNA of relationships for couples: Discover how these couples found new passion. Tyndale.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Smalley, Greg and Paul. The DNA of Relationships for Couples: Discover How These Couples Found New Passion. Illinois: Tyndale, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Smalley, Greg and Paul. The DNA of Relationships for Couples: Discover How These Couples Found New Passion. Tyndale, 2006.
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