(1981). UP KEM Engineers: Chemical engineering week. UP Chemical Engineering Society.
Citazione stile Chigago Style (17a edizione)UP KEM Engineers: Chemical Engineering Week. Quezon City: UP Chemical Engineering Society, 1981.
Citatione MLA (9a ed.)UP KEM Engineers: Chemical Engineering Week. UP Chemical Engineering Society, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.