Pereira, W. (1994). Global parasites: 500 years of western culture. Earthcare.
Lua i Stíl Chicago (17ú heag.)Pereira, Winin. Global Parasites: 500 Years of Western Culture. Bombay: Earthcare, 1994.
Lua MLA (9ú heag.)Pereira, Winin. Global Parasites: 500 Years of Western Culture. Earthcare, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.