APA (7th ed.) Citation

Eckhardt, E., & Zaťko, M. Mobilné meranie tvrdosti.

Chicago Style (17th ed.) Citation

Eckhardt, Erich, and Milan Zaťko. Mobilné Meranie Tvrdosti.

MLA (9th ed.) Citation

Eckhardt, Erich, and Milan Zaťko. Mobilné Meranie Tvrdosti.

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