Ramirez, E. V. (1980). Business law reviewer (New ed.). William Printing Press.
Čikaški stil citiranja (17. izdanje)Ramirez, Efren Vilbar. Business Law Reviewer. New ed. Cebu City: William Printing Press, 1980.
MLA način citiranja (8. izdanje)Ramirez, Efren Vilbar. Business Law Reviewer. New ed. William Printing Press, 1980.
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