APA
Tanner M. J., Tanner N. R. j. a., . (1990). Practical keyboarding. London: Prentice-Hall.
Chicago
Tanner Mary Jo, Tanner Neil R joint author, . 1990. Practical keyboarding. London: Prentice-Hall.
Harvard
Tanner M. J., Tanner N. R. j. a., . (1990). Practical keyboarding. London: Prentice-Hall.
MLA
Tanner Mary Jo, Tanner Neil R joint author, . Practical keyboarding. London: Prentice-Hall. 1990.