Cita APA (American Psychological Association)

I.P.E.S & I.P.E.S. (1998). Bake prozesuak edo bakegintza-prozedurak? IPES.

Citación Chicago Style

I.P.E.S and I.P.E.S. Bake Prozesuak Edo Bakegintza-prozedurak? Bilbao: IPES, 1998.

Cita MLA (Modern Language Association of America)

I.P.E.S and I.P.E.S. Bake Prozesuak Edo Bakegintza-prozedurak? IPES, 1998.