Philippine Sugar Institute. Library. Research studies undertaken by Philsugin. The Library, PHILSUGIN.
Citazione stile Chigago Style (17a edizione)Philippine Sugar Institute. Library. Research Studies Undertaken by Philsugin. Quezon City: The Library, PHILSUGIN.
Citatione MLA (9a ed.)Philippine Sugar Institute. Library. Research Studies Undertaken by Philsugin. The Library, PHILSUGIN.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.