Cita APA (7a ed.)

Vahervuo, T. (1957). Pupils' Arithmetical Ability: Differences Due to the Teacher. A methodological Approach. Suomalainen Tiedeakatemia.

Cita Chicago Style (17a ed.)

Vahervuo, Toivo. Pupils' Arithmetical Ability: Differences Due to the Teacher. A Methodological Approach. Helsinki: Suomalainen Tiedeakatemia, 1957.

Cita MLA (9a ed.)

Vahervuo, Toivo. Pupils' Arithmetical Ability: Differences Due to the Teacher. A Methodological Approach. Suomalainen Tiedeakatemia, 1957.