Cita APA (7th ed.)

Clark, J. (1985). Technological trends and employment. Gower.

Cita Chicago (17th ed.)

Clark, John. Technological Trends and Employment. Aldershot, Hants., Eng: Gower, 1985.

Cita MLA (9th ed.)

Clark, John. Technological Trends and Employment. Gower, 1985.