Manresa, E. F. (2000). Climate trends in Laoag: Signals of change or variability.
Lua i Stíl Chicago (17ú heag.)Manresa, Edwin F. Climate Trends in Laoag: Signals of Change or Variability. 2000.
Lua MLA (9ú heag.)Manresa, Edwin F. Climate Trends in Laoag: Signals of Change or Variability. 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.