dBASE III handboek

MLA

Tsu-der Chou, George, and R Beckers. Dbase Iii Handboek. Schoonhoven: Academic Service, 1986.

APA

Tsu-der Chou, G., & Beckers, R. (1986). dBASE III handboek. Schoonhoven: Academic Service.

Chicago

Tsu-der Chou, George, and R. Beckers. Dbase III Handboek. Schoonhoven: Academic Service, 1986.