Lua APA (7ú heag.)
Smalley, G., Paul, R. S., & Smalley, M. (2007). The DNA of relationships. Tyndale house publishers.
Lua i Stíl Chicago (17ú heag.)
Smalley, Gary, Robert S. Paul, agus Michael Smalley. The DNA of Relationships. Illinois: Tyndale house publishers, 2007.
Lua MLA (9ú heag.)
Smalley, Gary, et al. The DNA of Relationships. Tyndale house publishers, 2007.
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