Strutz, H. (2016). 501 German Verbs: Fully conjugated in all the tenses in a new, easy-to-learn format, alphabetically arranged (Fifth edition.). Barron's Educational Series, Inc..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Strutz, Henry. 501 German Verbs: Fully Conjugated in All the Tenses in a New, Easy-to-learn Format, Alphabetically Arranged. Fifth edition. Hauppauge, New York: Barron's Educational Series, Inc., 2016.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Strutz, Henry. 501 German Verbs: Fully Conjugated in All the Tenses in a New, Easy-to-learn Format, Alphabetically Arranged. Fifth edition. Barron's Educational Series, Inc., 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.