sˈɜːpə wʌz ɹˌiːᵻlˈɛktᵻd fɚðə pˈiəɹɪədz ʌv nˈaɪntiːnhˈʌndɹɪd sˈɛvənti ˈeɪt ænd nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi tˈuː ˌʌndɚɹ ɐ mˈuːvmənt fˈaʊndᵻd baɪ hˌɪm, ðɪ ɔːθˈɛntɪk lˈɪbɚɹəl lˈɛftɪst fɹˈʌnt fɹˈɛnt də ˈɪzkwɪɹdə lˈɪbɚɹəl ɔːtˈeɪntɪkˌoʊ, fˈiːlə ɐlˈaɪnd wɪððɪ əfˈɪʃəl lˈɪbɚɹəl pˈɑːɹɾi.
Serpa was re-elected for the periods of 1978 and 1982 under a movement founded by him, the Authentic Liberal Leftist Front (Frente de Izquierda Liberal Auténtico, FILA) aligned with the official Liberal party.