APA (7th ed.) Citation

Narkevičienė, B., & Papreckienė, L. Competitive tasks in trigonometry: Problematic aspect. Vilnius University Press.

Chicago Style (17th ed.) Citation

Narkevičienė, Bronė, and Laima Papreckienė. Competitive Tasks in Trigonometry: Problematic Aspect. Vilnius University Press.

MLA (9th ed.) Citation

Narkevičienė, Bronė, and Laima Papreckienė. Competitive Tasks in Trigonometry: Problematic Aspect. Vilnius University Press.

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