APA (7th ed.) Citation

Tkachenko, O. B. (2010). Ukrainian as a state language in the difficulties of its formation.

Chicago Style (17th ed.) Citation

Tkachenko, O. B. Ukrainian as a State Language in the Difficulties of Its Formation. 2010.

MLA (8th ed.) Citation

Tkachenko, O. B. Ukrainian as a State Language in the Difficulties of Its Formation. 2010.

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