Pena, N. (1958). Practical exercises in conveyancing and legal forms (1958 rev. ed.). Pasicolan Book Store.
Čikaški stil citiranja (17. izdanje)Pena, Narciso. Practical Exercises in Conveyancing and Legal Forms. 1958 rev. ed. Manila: Pasicolan Book Store, 1958.
MLA način citiranja (9. izdanje)Pena, Narciso. Practical Exercises in Conveyancing and Legal Forms. 1958 rev. ed. Pasicolan Book Store, 1958.
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