Philippines. University. Science Education Center. (1967). Chemistry for Philippine school. s.n.
Chicago Style (17th ed.) CitationPhilippines. University. Science Education Center. Chemistry for Philippine School. Quezon City: s.n, 1967.
ציטוט MLAPhilippines. University. Science Education Center. Chemistry for Philippine School. s.n, 1967.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.