Lua APA (7ú heag.)
KATZ, E., & ELLIS, N. (1991). MEMORY FOR SPATIAL LOCATION IN RETARDED AND MONRETARDED PERSONS.
Lua i Stíl Chicago (17ú heag.)
KATZ, E.R, agus N.R ELLIS. MEMORY FOR SPATIAL LOCATION IN RETARDED AND MONRETARDED PERSONS. 1991.
Lua MLA (9ú heag.)
KATZ, E.R, agus N.R ELLIS. MEMORY FOR SPATIAL LOCATION IN RETARDED AND MONRETARDED PERSONS. 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.