O'Brien, K., & Bennett, E. (2019). Fly girls: How five daring women defied all odds and made aviation history (young readers edition) (Unabridged.). Recorded Books Inc..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)O'Brien, Keith, و Erin Bennett. Fly Girls: How Five Daring Women Defied All Odds and Made Aviation History (young Readers Edition). Unabridged. Prince Frederick: Recorded Books Inc., 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)O'Brien, Keith, و Erin Bennett. Fly Girls: How Five Daring Women Defied All Odds and Made Aviation History (young Readers Edition). Unabridged. Recorded Books Inc., 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.