ALLEN RICHARD K. (1978). ORGANIZATIONAL MANAGEMENT THROUGH COMMUNICATION. HARPER & ROW.
Lua i Stíl Chicago (17ú heag.)ALLEN RICHARD K. ORGANIZATIONAL MANAGEMENT THROUGH COMMUNICATION. LONDON: HARPER & ROW, 1978.
Lua MLA (9ú heag.)ALLEN RICHARD K. ORGANIZATIONAL MANAGEMENT THROUGH COMMUNICATION. HARPER & ROW, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.