APA (7th ed.) Citation

Plaksiienko, Y., & Chernenko, K. V. (2019). Electronic (security) documentary courses. Electronic digital signature.

Chicago Style (17th ed.) Citation

Plaksiienko, Ya, and K. V. Chernenko. Electronic (security) Documentary Courses. Electronic Digital Signature. 2019.

MLA (8th ed.) Citation

Plaksiienko, Ya, and K. V. Chernenko. Electronic (security) Documentary Courses. Electronic Digital Signature. 2019.

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