APA (7th ed.) Citation

(mr/Sa). Vratný systém potrubnej pošty.

Chicago Style (17th ed.) Citation

(mr/Sa). Vratný Systém Potrubnej Pošty.

MLA (9th ed.) Citation

(mr/Sa). Vratný Systém Potrubnej Pošty.

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