Koch, C. G., & Koch, C. (2026). Becoming a principle-driven leader: 41 principles to build an enduring business. StoryBrand Books, an imprint of Forefront Books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Koch, Charles G., و Chase Koch. Becoming a Principle-driven Leader: 41 Principles to Build an Enduring Business. Nashville, TN: StoryBrand Books, an imprint of Forefront Books, 2026.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Koch, Charles G., و Chase Koch. Becoming a Principle-driven Leader: 41 Principles to Build an Enduring Business. StoryBrand Books, an imprint of Forefront Books, 2026.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.