APA-viite (7. p.)
Strutz, H. 501 German Verbs: Fully Conjugated in All Tenses, in a New Easy-to-Learn Format, Alphabetically Arranged. Barron's.
Chicago-viite (17. p.)
Strutz, Henry. 501 German Verbs: Fully Conjugated in All Tenses, in a New Easy-to-Learn Format, Alphabetically Arranged. Nueva York, EUA: Barron's.
MLA-viite (9. p.)
Strutz, Henry. 501 German Verbs: Fully Conjugated in All Tenses, in a New Easy-to-Learn Format, Alphabetically Arranged. Barron's.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.