Ostrea, I. R. (1978). Organic chemistry II laboratory manual. Textbook Development Committee, De La Salle.
Lua i Stíl Chicago (17ú heag.)Ostrea, Imelda R. Organic Chemistry II Laboratory Manual. Manila: Textbook Development Committee, De La Salle, 1978.
Lua MLA (9ú heag.)Ostrea, Imelda R. Organic Chemistry II Laboratory Manual. Textbook Development Committee, De La Salle, 1978.
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