APA-viite (7. p.)
Chapman, G. (2005). The 4 seasons of marriage: Secrets to a lasting marriage. Tyndale House Publishers.
Chicago-viite (17. p.)
Chapman, Gary. The 4 Seasons of Marriage: Secrets to a Lasting Marriage. Carol Stream, Illinois: Tyndale House Publishers, 2005.
MLA-viite (9. p.)
Chapman, Gary. The 4 Seasons of Marriage: Secrets to a Lasting Marriage. Tyndale House Publishers, 2005.
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