APA (7th ed.) Zitazioa
Hybels, B. (1991). Fit to be tied: Making marriage last a lifetime. Zondervan Publishing House.
Chicago Style (17th ed.) Zitazioa
Hybels, Bill. Fit to Be Tied: Making Marriage Last a Lifetime. Michigan: Zondervan Publishing House, 1991.
MLA (9th ed.) Zitazioa
Hybels, Bill. Fit to Be Tied: Making Marriage Last a Lifetime. Zondervan Publishing House, 1991.
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