APA

Pecinovský J., . (2011). MS Excel 2007/2010. Brno: Computer Press.

Chicago

Pecinovský Josef, . 2011. MS Excel 2007/2010. Brno: Computer Press.

Harvard

Pecinovský J., . (2011). MS Excel 2007/2010. Brno: Computer Press.

MLA

Pecinovský Josef, . MS Excel 2007/2010. Brno: Computer Press. 2011.