MATHIESON, A., & WALL, G. (1982). Tourism: Economic, physical and social impacts. Longman.
Lua i Stíl Chicago (17ú heag.)MATHIESON, Alister, agus Geoffrey WALL. Tourism: Economic, Physical and Social Impacts. London: Longman, 1982.
Lua MLA (9ú heag.)MATHIESON, Alister, agus Geoffrey WALL. Tourism: Economic, Physical and Social Impacts. Longman, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.