APA-viite

Wilsen, J. C., & Wilkinson, T. A. (1981). Commodore super computers waterloo micro apl: Tutorial and reference manual. Howard W Sams.

Chicago-tyylinen lähdeviittaus

Wilsen, J C., ja T A. Wilkinson. Commodore Super Computers Waterloo Micro Apl: Tutorial and Reference Manual. Indiana: Howard W Sams, 1981.

MLA-viite

Wilsen, J C., ja T A. Wilkinson. Commodore Super Computers Waterloo Micro Apl: Tutorial and Reference Manual. Howard W Sams, 1981.