Cita APA (7th ed.)

Humby , E. . .., & By , R.. (1978). Computers: Edward Humby and Philip Robinson. Cassell.

Cita Chicago (17th ed.)

Humby , Edward ., i Robinson By. Computers: Edward Humby and Philip Robinson. London: Cassell, 1978.

Cita MLA (9th ed.)

Humby , Edward ., i Robinson By. Computers: Edward Humby and Philip Robinson. Cassell, 1978.