University of the Philippines (Diliman). Science Education Center. (1971). Practical chemistry for secondary schools. s.n.
Chicago-Zitierstil (17. Ausg.)University of the Philippines (Diliman). Science Education Center. Practical Chemistry for Secondary Schools. [Quezon City: s.n, 1971.
MLA-Zitierstil (9. Ausg.)University of the Philippines (Diliman). Science Education Center. Practical Chemistry for Secondary Schools. s.n, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.