APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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