Pagcaliwagan, B. (2002). Extended life for mangoes possible. Manila Times.
Lua i Stíl Chicago (17ú heag.)Pagcaliwagan, Butch. "Extended Life for Mangoes Possible." Manila Times 2002.
Lua MLA (9ú heag.)Pagcaliwagan, Butch. "Extended Life for Mangoes Possible." Manila Times, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.