Langrehr, H., & DeFelice, J. (2020). Whatever it took: An American paratrooper's extraordinary memoir of escape, survival, and heroism in the last days of World War II (First edition.). William Morrow, an imprint of HarperCollinsPublishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Langrehr, Henry, و Jim DeFelice. Whatever It Took: An American Paratrooper's Extraordinary Memoir of Escape, Survival, and Heroism in the Last Days of World War II. First edition. New York, NY: William Morrow, an imprint of HarperCollinsPublishers, 2020.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Langrehr, Henry, و Jim DeFelice. Whatever It Took: An American Paratrooper's Extraordinary Memoir of Escape, Survival, and Heroism in the Last Days of World War II. First edition. William Morrow, an imprint of HarperCollinsPublishers, 2020.