APA (7th ed.) Citation

Pehkonen, E., Näveri, L., & Laine, A. On Teaching Problem Solving in School Mathematics. University of Ljubljana.

Chicago Style (17th ed.) Citation

Pehkonen, Erkki, Liisa Näveri, and Anu Laine. On Teaching Problem Solving in School Mathematics. University of Ljubljana.

MLA (9th ed.) Citation

Pehkonen, Erkki, et al. On Teaching Problem Solving in School Mathematics. University of Ljubljana.