PASCOE, L. Teach yourself arithmetic. 1958.
Chicago-viite (17. p.)PASCOE, L.C. Teach Yourself Arithmetic. London: 1958.
MLA-viite (9. p.)PASCOE, L.C. Teach Yourself Arithmetic. 1958.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.
PASCOE, L. Teach yourself arithmetic. 1958.
Chicago-viite (17. p.)PASCOE, L.C. Teach Yourself Arithmetic. London: 1958.
MLA-viite (9. p.)PASCOE, L.C. Teach Yourself Arithmetic. 1958.