Azeredo Perdigao, J. d. (1979). Calouste Gulbenkian: Collector. Calouste Gulbenkian Foundation.
Cita Chicago Style (17a ed.)Azeredo Perdigao, Josè de. Calouste Gulbenkian: Collector. Lisbon: Calouste Gulbenkian Foundation, 1979.
Cita MLA (8a ed.)Azeredo Perdigao, Josè de. Calouste Gulbenkian: Collector. Calouste Gulbenkian Foundation, 1979.
Precaución: Estas citas no son 100% exactas.