APA (7th ed.) Citation

Kašuba, R. A psychological aspects of solving of mathematical problems. Vilnius University Press.

Chicago Style (17th ed.) Citation

Kašuba, Romualdas. A Psychological Aspects of Solving of Mathematical Problems. Vilnius University Press.

MLA (9th ed.) Citation

Kašuba, Romualdas. A Psychological Aspects of Solving of Mathematical Problems. Vilnius University Press.

Warning: These citations may not always be 100% accurate.