Lua APA (7ú heag.)
BERNSTEIN, G., & ET AL. (1995). CAFFEINE EFFECTS ON LEARNING, PERFORMANCE, AND ANXIETY IN NORMAL SCHOOL-AGE CHILDREN.
Lua i Stíl Chicago (17ú heag.)
BERNSTEIN, G.A, agus ET AL. CAFFEINE EFFECTS ON LEARNING, PERFORMANCE, AND ANXIETY IN NORMAL SCHOOL-AGE CHILDREN. 1995.
Lua MLA (9ú heag.)
BERNSTEIN, G.A, agus ET AL. CAFFEINE EFFECTS ON LEARNING, PERFORMANCE, AND ANXIETY IN NORMAL SCHOOL-AGE CHILDREN. 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.