Reeve, R. N. (2002). Introduction to Environmental Analysis. John Wiley & Sons,LTD.
Lua i Stíl Chicago (17ú heag.)Reeve, Roger N. Introduction to Environmental Analysis. England: John Wiley & Sons,LTD, 2002.
Lua MLA (9ú heag.)Reeve, Roger N. Introduction to Environmental Analysis. John Wiley & Sons,LTD, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.