Não informado. (2021). Handbook & Directory. American Society for Information Science.
Chicago-viite (17. p.)Não informado. Handbook & Directory. Washington: American Society for Information Science, 2021.
MLA-viite (8. p.)Não informado. Handbook & Directory. American Society for Information Science, 2021.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.