Egbert, B. (2008). Zero days: The real-life adventure of Captain Bligh, Nellie Bly, and 10-year-old Scrambler on the Pacific Crest Trail. Wilderness Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Egbert, Barbara. Zero Days: The Real-life Adventure of Captain Bligh, Nellie Bly, and 10-year-old Scrambler on the Pacific Crest Trail. Berkeley, CA: Wilderness Press, 2008.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Egbert, Barbara. Zero Days: The Real-life Adventure of Captain Bligh, Nellie Bly, and 10-year-old Scrambler on the Pacific Crest Trail. Wilderness Press, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.