National Institute of Science and Technical Education & Pakistan. Ministry of Education. (2000). Secondary school chemistry textbook. FEP International Private.
Cita Chicago (17th ed.)National Institute of Science and Technical Education i Pakistan. Ministry of Education. Secondary School Chemistry Textbook. Pakistan: FEP International Private, 2000.
Cita MLA (9th ed.)National Institute of Science and Technical Education i Pakistan. Ministry of Education. Secondary School Chemistry Textbook. FEP International Private, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.