PIGORS, P. (1976). Personnel: The Human Problems Of Management Paul Pigors, George Strauss Dan Leonard R. Sayles. Prentice-Hall of India.
Lua i Stíl Chicago (17ú heag.)PIGORS, Paul. Personnel: The Human Problems Of Management Paul Pigors, George Strauss Dan Leonard R. Sayles. Prentice-Hall of India, 1976.
Lua MLA (8ú heag.)PIGORS, Paul. Personnel: The Human Problems Of Management Paul Pigors, George Strauss Dan Leonard R. Sayles. Prentice-Hall of India, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.