APA (7th ed.) Citation

Haponenko, S. A. (2013). Main principles and directions of innovation development of service sphere enterprises.

Chicago Style (17th ed.) Citation

Haponenko, S. A. Main Principles and Directions of Innovation Development of Service Sphere Enterprises. 2013.

MLA (8th ed.) Citation

Haponenko, S. A. Main Principles and Directions of Innovation Development of Service Sphere Enterprises. 2013.

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