Collins. (2010). Collins German School Dictionary. HarperCollins Publishers.
Chicago-viite (17. p.)Collins. Collins German School Dictionary. Great Britain: HarperCollins Publishers, 2010.
MLA-viite (9. p.)Collins. Collins German School Dictionary. HarperCollins Publishers, 2010.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.