BUCHHOLZ, R. A. (1998). Principles of enviromental management: The geening ofbusiness.-- Ed. 2. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)BUCHHOLZ, Rogene A. Principles of Enviromental Management: The Geening Ofbusiness.-- Ed. 2. New Jersey: Prentice Hall, 1998.
Lua MLA (9ú heag.)BUCHHOLZ, Rogene A. Principles of Enviromental Management: The Geening Ofbusiness.-- Ed. 2. Prentice Hall, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.