University of the Philippines (Diliman). Institute for Science and Mathematics Education Development. (1990). Sugar from cane. Institute for Science and Mathematics Education Development.
Lua i Stíl Chicago (17ú heag.)University of the Philippines (Diliman). Institute for Science and Mathematics Education Development. Sugar from Cane. Quezon City: Institute for Science and Mathematics Education Development, 1990.
Lua MLA (9ú heag.)University of the Philippines (Diliman). Institute for Science and Mathematics Education Development. Sugar from Cane. Institute for Science and Mathematics Education Development, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.