(en) Paul‐H. Claeys et Nicole Loeb‐Mayer, « Trans‐European Party Groupings: Emergence of New and Alignment of Old Parties in the Light of the Direct Elections to the European Parliament », Government and Opposition, vol. 14, no 4, , p. 455–478 (ISSN0017-257X et 1477-7053, DOI10.1111/j.1477-7053.1979.tb00257.x, lire en ligne, consulté le )
doi.org
dx.doi.org
(en) Paul‐H. Claeys et Nicole Loeb‐Mayer, « Trans‐European Party Groupings: Emergence of New and Alignment of Old Parties in the Light of the Direct Elections to the European Parliament », Government and Opposition, vol. 14, no 4, , p. 455–478 (ISSN0017-257X et 1477-7053, DOI10.1111/j.1477-7053.1979.tb00257.x, lire en ligne, consulté le )
issn.org
portal.issn.org
(en) Paul‐H. Claeys et Nicole Loeb‐Mayer, « Trans‐European Party Groupings: Emergence of New and Alignment of Old Parties in the Light of the Direct Elections to the European Parliament », Government and Opposition, vol. 14, no 4, , p. 455–478 (ISSN0017-257X et 1477-7053, DOI10.1111/j.1477-7053.1979.tb00257.x, lire en ligne, consulté le )