Lua APA (7ú heag.)
Chapman, G. (2005). The 4 seasons of marriage: Secrets to a lasting marriage. Tyndale house publishers.
Lua i Stíl Chicago (17ú heag.)
Chapman, Gary. The 4 Seasons of Marriage: Secrets to a Lasting Marriage. Illinois: Tyndale house publishers, 2005.
Lua MLA (9ú heag.)
Chapman, Gary. The 4 Seasons of Marriage: Secrets to a Lasting Marriage. Tyndale house publishers, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.