WHEATLEY MALCOLM. (1983). GREEN BUSINESS: MAKING IT WORK FOR YOUR COMPANY. PITMAN PUBLICATIONS.
Lua i Stíl Chicago (17ú heag.)WHEATLEY MALCOLM. GREEN BUSINESS: MAKING IT WORK FOR YOUR COMPANY. LONDON: PITMAN PUBLICATIONS, 1983.
Lua MLA (9ú heag.)WHEATLEY MALCOLM. GREEN BUSINESS: MAKING IT WORK FOR YOUR COMPANY. PITMAN PUBLICATIONS, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.