I.P.E.S & I.P.E.S. (1982). Langaiak. IPES.
Citación Chicago StyleI.P.E.S and I.P.E.S. Langaiak. Pamplona: IPES, 1982.
Cita MLA (Modern Language Association of America)I.P.E.S and I.P.E.S. Langaiak. IPES, 1982.
Nota: estas citas no son 100% exactas.