APA (7th ed.) Citation

Petrenko, P. D. (2016). The essence of executive of government in modern conditions.

Chicago Style (17th ed.) Citation

Petrenko, P. D. The Essence of Executive of Government in Modern Conditions. 2016.

MLA (8th ed.) Citation

Petrenko, P. D. The Essence of Executive of Government in Modern Conditions. 2016.

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