Forsmark, J. (1996). QBasic for business problem solving. Irwin.
Citazione stile Chigago Style (17a edizione)Forsmark, John. QBasic for Business Problem Solving. Chicago: Irwin, 1996.
Citatione MLA (9a ed.)Forsmark, John. QBasic for Business Problem Solving. Irwin, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.