Swick, E. (2003). The everything learning German book: Speak, write, and understand basic German in no time. Adams Media Corp..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Swick, Edward. The Everything Learning German Book: Speak, Write, and Understand Basic German in No Time. Avon, Mass.: Adams Media Corp., 2003.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Swick, Edward. The Everything Learning German Book: Speak, Write, and Understand Basic German in No Time. Adams Media Corp., 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.