Asin, R. C., & Merriam Editorial Staff. (1979). Elements of mechanism reviewer. Merriam School & Office Supplies.
Lua i Stíl Chicago (17ú heag.)Asin, Ricardo C., agus Merriam Editorial Staff. Elements of Mechanism Reviewer. Manila: Merriam School & Office Supplies, 1979.
Lua MLA (9ú heag.)Asin, Ricardo C., agus Merriam Editorial Staff. Elements of Mechanism Reviewer. Merriam School & Office Supplies, 1979.
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