Παραπομπή APA

Goodwin,E.T. (1961). Modern computing methods.- 2nd ed (2d ed.). English Language Book Society and H.M. Stationery Off.

Παραπομπή Chicago Style

Goodwin,E.T. Modern Computing Methods.- 2nd Ed. 2d ed. [London]: English Language Book Society and H.M. Stationery Off, 1961.

Παραπομπή MLA

Goodwin,E.T. Modern Computing Methods.- 2nd Ed. 2d ed. English Language Book Society and H.M. Stationery Off, 1961.