Cita APA (7a ed.)

Gough,David. oliver, S. T. (2017). An introduction to systematic reviews (2nd.). Sage publications Ltd.

Cita Chicago Style (17a ed.)

Gough,David. oliver, Sandy. Thomas. An Introduction to Systematic Reviews. 2nd. London: Sage publications Ltd, 2017.

Cita MLA (8a ed.)

Gough,David. oliver, Sandy. Thomas. An Introduction to Systematic Reviews. 2nd. Sage publications Ltd, 2017.