Cita APA

Wells, K., & Littell, J. H. Study quality assessment in systematic reviews of research on intervention effects.

Citación estilo Chicago

Wells, Kathleen., y Julia H. Littell. Study Quality Assessment in Systematic Reviews of Research On Intervention Effects.

Cita MLA

Wells, Kathleen., y Julia H. Littell. Study Quality Assessment in Systematic Reviews of Research On Intervention Effects.