Azeredo Perdigao, J. d. (1979). Calouste Gulbenkian: Collector. Calouste Gulbenkian Foundation.
Chicago-Zitierstil (17. Ausg.)Azeredo Perdigao, Josè de. Calouste Gulbenkian: Collector. Lisbon: Calouste Gulbenkian Foundation, 1979.
MLA-Zitierstil (8. Ausg.)Azeredo Perdigao, Josè de. Calouste Gulbenkian: Collector. Calouste Gulbenkian Foundation, 1979.
警告：这些引文格式不一定是100％准确.