Cita APA (7th ed.)

Werdelin, I. (1966). A synthesis of two factor analyses of problem solving in mathematics. Lararhogskolan.

Cita Chicago (17th ed.)

Werdelin, I. A Synthesis of Two Factor Analyses of Problem Solving in Mathematics. Malmo: Lararhogskolan, 1966.

Cita MLA (8th ed.)

Werdelin, I. A Synthesis of Two Factor Analyses of Problem Solving in Mathematics. Lararhogskolan, 1966.