APA

Joan L., Frye C. & APN Promise. (2019). Microsoft Office 2019. Warszawa: APN Promise.

Chicago

Joan Lambert, Frye Curtis and APN Promise. 2019. Microsoft Office 2019. Warszawa: APN Promise.

Harvard

Joan L., Frye C. and APN Promise. (2019). Microsoft Office 2019. Warszawa: APN Promise.

MLA

Joan Lambert, Frye Curtis and APN Promise. Microsoft Office 2019. Warszawa: APN Promise. 2019.