APA (7e ed.) Bronvermelding

Spencer, D. D. (1985). Learning BASIC for microcomputers: A worktext for Apple, II, Iic and Iie. Charles E. Merrill Publishing.

Chicago (17e ed.) Bronvermelding

Spencer, Donald D. Learning BASIC for Microcomputers: A Worktext for Apple, II, Iic and Iie. Columbus: Charles E. Merrill Publishing, 1985.

MLA (9e ed.) Bronvermelding

Spencer, Donald D. Learning BASIC for Microcomputers: A Worktext for Apple, II, Iic and Iie. Charles E. Merrill Publishing, 1985.