Strutz, H. (1972). 501 German verbs fully conjugated in all the tenses: Alphabetically arranged. Barron's Educational Series.
Chicago-Zitierstil (17. Ausg.)Strutz, Herbert. 501 German Verbs Fully Conjugated in All the Tenses: Alphabetically Arranged. Woodbury, N.Y: Barron's Educational Series, 1972.
MLA-Zitierstil (9. Ausg.)Strutz, Herbert. 501 German Verbs Fully Conjugated in All the Tenses: Alphabetically Arranged. Barron's Educational Series, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.