Maccallum, M., & Drez, R. J. (2020). Unknown valor: A story of family, courage, and sacrifice from Pearl Harbor to Iwo Jima (First edition.). Harper, an imprint of HarperCollinsPublishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Maccallum, Martha, و Ronald J. Drez. Unknown Valor: A Story of Family, Courage, and Sacrifice from Pearl Harbor to Iwo Jima. First edition. New York, NY: Harper, an imprint of HarperCollinsPublishers, 2020.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Maccallum, Martha, و Ronald J. Drez. Unknown Valor: A Story of Family, Courage, and Sacrifice from Pearl Harbor to Iwo Jima. First edition. Harper, an imprint of HarperCollinsPublishers, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.