Contreras, L. E., & Valdes, B. J. (1977). Laboratory manual in general chemistry. Committee of Science Department Heads, Inter-Institutional Consortium.
Citace podle Chicago (17th ed.)Contreras, Lourdes E., a Bienvenido J. Valdes. Laboratory Manual in General Chemistry. Manila: Committee of Science Department Heads, Inter-Institutional Consortium, 1977.
Citace podle MLA (9th ed.)Contreras, Lourdes E., a Bienvenido J. Valdes. Laboratory Manual in General Chemistry. Committee of Science Department Heads, Inter-Institutional Consortium, 1977.
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