APA (7e ed.) Bronvermelding

(1982). Basic: An introduction to computer programming Part 1. Guidance Associates.

Chicago (17e ed.) Bronvermelding

Basic: An Introduction to Computer Programming Part 1. [place of publication not identified: Guidance Associates, 1982.

MLA (9e ed.) Bronvermelding

Basic: An Introduction to Computer Programming Part 1. Guidance Associates, 1982.