APA-referens (7:e uppl.)

Pena, N. (1958). Practical exercises in conveyancing and legal forms (1958 rev. ed.). Pasicolan Book Store.

Chicago-referens (17:e uppl.)

Pena, Narciso. Practical Exercises in Conveyancing and Legal Forms. 1958 rev. ed. Manila: Pasicolan Book Store, 1958.

MLA-referens (9:e uppl.)

Pena, Narciso. Practical Exercises in Conveyancing and Legal Forms. 1958 rev. ed. Pasicolan Book Store, 1958.