Cita APA (7th ed.)

Haigh, R. W., & Radford, L. E. (1983). BASIC for microcomputers: Apple, TRS-80, PET. Van Nostrand Reinhold.

Cita Chicago (17th ed.)

Haigh, Roger W., i Loren E. Radford. BASIC for Microcomputers: Apple, TRS-80, PET. New York: Van Nostrand Reinhold, 1983.

Cita MLA (8th ed.)

Haigh, Roger W., i Loren E. Radford. BASIC for Microcomputers: Apple, TRS-80, PET. Van Nostrand Reinhold, 1983.