International Institute of Political and Social Sciences Concerning Countries of Differing Civilisations. Compte rendu. Record. s. n.
Cita Chicago (17th ed.)International Institute of Political and Social Sciences Concerning Countries of Differing Civilisations. Compte Rendu. Record. Bruxelles: s. n.
Cita MLA (9th ed.)International Institute of Political and Social Sciences Concerning Countries of Differing Civilisations. Compte Rendu. Record. s. n.
Atenció: Aquestes cites poden no estar 100% correctes.