Laughlin, C. E. (1930). So you're going to Germany and Austria!: And if I were going with you these are the things I 'd invite you to do. Houghton Mifflin company.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Laughlin, Clara E. So You're Going to Germany and Austria!: And If I Were Going with You These Are the Things I 'D Invite You to Do. Boston and New York: Houghton Mifflin company, 1930.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Laughlin, Clara E. So You're Going to Germany and Austria!: And If I Were Going with You These Are the Things I 'D Invite You to Do. Houghton Mifflin company, 1930.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.