University of the Philippines (Diliman). Institute for Science and Mathematics Education Development. (1990). Sugar from cane. Institute for Science and Mathematics Education Development.
Chicago-referens (17:e uppl.)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.
MLA-referens (9:e uppl.)University of the Philippines (Diliman). Institute for Science and Mathematics Education Development. Sugar from Cane. Institute for Science and Mathematics Education Development, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.