Clanton Harpine, E. (2011). Group-centered prevention programs for at-risk students. Springer eBooks.. https://doi.org/10.1007/978-1-4419-7248-4
Lua i Stíl Chicago (17ú heag.)Clanton Harpine, Elaine. "Group-centered Prevention Programs for At-risk Students." Springer EBooks. 2011. https://doi.org/10.1007/978-1-4419-7248-4.
Lua MLA (9ú heag.)Clanton Harpine, Elaine. "Group-centered Prevention Programs for At-risk Students." Springer EBooks., 2011, https://doi.org/10.1007/978-1-4419-7248-4.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.