APA-referens (7:e uppl.)
Libby, A. (2014). Learning Less.js: Develop attractive CSS styles efficiently, using the Less CSS preprocessor. Packt Publishing.
Chicago-referens (17:e uppl.)
Libby, Alex. Learning Less.js: Develop Attractive CSS Styles Efficiently, Using the Less CSS Preprocessor. Birmingham: Packt Publishing, 2014.
MLA-referens (9:e uppl.)
Libby, Alex. Learning Less.js: Develop Attractive CSS Styles Efficiently, Using the Less CSS Preprocessor. Packt Publishing, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.