APA (7e ed.) Bronvermelding

Chapman, G. (2005). The 4 seasons of marriage: Secrets to a lasting marriage. Tyndale house publishers.

Chicago (17e ed.) Bronvermelding

Chapman, Gary. The 4 Seasons of Marriage: Secrets to a Lasting Marriage. Illinois: Tyndale house publishers, 2005.

MLA (9e ed.) Bronvermelding

Chapman, Gary. The 4 Seasons of Marriage: Secrets to a Lasting Marriage. Tyndale house publishers, 2005.