Não informado. (1905). School science and mathematics. School Science and Mathematics Association.
Chicago-viite (17. p.)Não informado. School Science and Mathematics. Menasha, Wis: School Science and Mathematics Association, 1905.
MLA-viite (8. p.)Não informado. School Science and Mathematics. School Science and Mathematics Association, 1905.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.