Cita APA (7th ed.)

Smith, M., & Robertson, I. T. (1986). The theory and practice of systematic staff selection. Macmillan.

Cita Chicago (17th ed.)

Smith, Mike, i Ivan T. Robertson. The Theory and Practice of Systematic Staff Selection. Basingstoke, Hants., Eng: Macmillan, 1986.

Cita MLA (9th ed.)

Smith, Mike, i Ivan T. Robertson. The Theory and Practice of Systematic Staff Selection. Macmillan, 1986.