Trent, J. (1995). Seeking solid ground: Anchoring your life in Godly character. Focus on the family.
Citazione stile Chigago Style (17a edizione)Trent, John. Seeking Solid Ground: Anchoring Your Life in Godly Character. Colorado: Focus on the family, 1995.
Citatione MLA (9a ed.)Trent, John. Seeking Solid Ground: Anchoring Your Life in Godly Character. Focus on the family, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.