KEATING BARRY. (1986). MANAGERIAL ECONOMICS. ACADEMIC PRESS.
Lua i Stíl Chicago (17ú heag.)KEATING BARRY. MANAGERIAL ECONOMICS. SAN FRANCISCO.: ACADEMIC PRESS, 1986.
Lua MLA (9ú heag.)KEATING BARRY. MANAGERIAL ECONOMICS. ACADEMIC PRESS, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.