RECENT RESEARCH & LUMSDEN, K. G. [. (1970). Recent research in economics education/editor Keith G.Lumsden. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)RECENT RESEARCH agus Keith G. [ed] LUMSDEN. Recent Research in Economics Education/editor Keith G.Lumsden. New Jersey: Prentice-Hall, 1970.
Lua MLA (9ú heag.)RECENT RESEARCH agus Keith G. [ed] LUMSDEN. Recent Research in Economics Education/editor Keith G.Lumsden. Prentice-Hall, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.