APA

Barilla J., . (2013). MS Excel 2013. Brno: Computer Press.

Chicago

Barilla Jiří, . 2013. MS Excel 2013. Brno: Computer Press.

Harvard

Barilla J., . (2013). MS Excel 2013. Brno: Computer Press.

MLA

Barilla Jiří, . MS Excel 2013. Brno: Computer Press. 2013.