APA (7e ed.) Bronvermelding

(1986). Portuguese Contemporary Engravings. Fudação Calouste Gulbenkian.

Chicago (17e ed.) Bronvermelding

Portuguese Contemporary Engravings. Fudação Calouste Gulbenkian, 1986.

MLA (8e ed.) Bronvermelding

Portuguese Contemporary Engravings. Fudação Calouste Gulbenkian, 1986.

Let op: Deze citaties zijn niet altijd 100% accuraat.