APA (7th ed.) Citation

Khanin, I. H., & Sopin, Y. O. (2021). Electronic Payment Systems: Operation Peculiarities and Economic Efficiency Assessment.

Chicago Style (17th ed.) Citation

Khanin, I. H., and Ye. O. Sopin. Electronic Payment Systems: Operation Peculiarities and Economic Efficiency Assessment. 2021.

MLA (8th ed.) Citation

Khanin, I. H., and Ye. O. Sopin. Electronic Payment Systems: Operation Peculiarities and Economic Efficiency Assessment. 2021.

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