APA

Hutchinson S. E., Sawyer S. C. & Coulthard G. J. (1994). Lotus 1-2-3. USA: IRWIN.

Chicago

Hutchinson S E, Sawyer S C and Coulthard G J. 1994. Lotus 1-2-3. USA: IRWIN.

Harvard

Hutchinson S. E., Sawyer S. C. and Coulthard G. J. (1994). Lotus 1-2-3. USA: IRWIN.

MLA

Hutchinson S E, Sawyer S C and Coulthard G J. Lotus 1-2-3. USA: IRWIN. 1994.