De Leon, H. S., & Castaneda, C. R. (1979). Comprehensive review of business law (3rd ed.). Rex Book Store.
Lua i Stíl Chicago (17ú heag.)De Leon, Hector S., agus Catalino R. Castaneda. Comprehensive Review of Business Law. 3rd ed. Manila: Rex Book Store, 1979.
Lua MLA (9ú heag.)De Leon, Hector S., agus Catalino R. Castaneda. Comprehensive Review of Business Law. 3rd ed. Rex Book Store, 1979.
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