(2019). CSS3 Quick Syntax Reference A Pocket Guide to the Cascading Style Sheets Language / by Mikael Olsson. [electronic resource].
Citazione stile Chigago Style (17a edizione)CSS3 Quick Syntax Reference A Pocket Guide to the Cascading Style Sheets Language / by Mikael Olsson. [electronic Resource]. 2019.
Citatione MLA (9a ed.)CSS3 Quick Syntax Reference A Pocket Guide to the Cascading Style Sheets Language / by Mikael Olsson. [electronic Resource]. 2019.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.