APA-viite (7. p.)

Biodiversity Heritage Library. Biodiversity heritage library. Biodiversity Heritage Library.

Chicago-viite (17. p.)

Biodiversity Heritage Library. Biodiversity Heritage Library. [Place of publication not identified]: Biodiversity Heritage Library.

MLA-viite (9. p.)

Biodiversity Heritage Library. Biodiversity Heritage Library. Biodiversity Heritage Library.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.