Versele, P. H., & News, P. fo014671: SP-congres 1980.
Cita Chicago (17th ed.)Versele, Paul Henry, i Photo News. Fo014671: SP-congres 1980.
Cita MLA (8th ed.)Versele, Paul Henry, i Photo News. Fo014671: SP-congres 1980.
Atenció: Aquestes cites poden no estar 100% correctes.