Graham, J. W., & Welch, J. W. (1983). Waterloo BASIC : primer and reference manual: A structured programming aproach. WATFAC Publications.
Citazione stile Chigago Style (17a edizione)Graham, James W., e James W. Welch. Waterloo BASIC : Primer and Reference Manual: A Structured Programming Aproach. Waterloo, Ont: WATFAC Publications, 1983.
Citatione MLA (9a ed.)Graham, James W., e James W. Welch. Waterloo BASIC : Primer and Reference Manual: A Structured Programming Aproach. WATFAC Publications, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.