Não informado. (2000). Technical paper. University of Puerto Rico, Agricultural Experiment Station.
Lua i Stíl Chicago (17ú heag.)Não informado. Technical Paper. Rio Piedras, Porto Rico: University of Puerto Rico, Agricultural Experiment Station, 2000.
Lua MLA (8ú heag.)Não informado. Technical Paper. University of Puerto Rico, Agricultural Experiment Station, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.