Dyfyniad APA

Gulbenkian, F. C. (1988). Portuguese contemporary engravings. Calouste Gulbenkian Foundation.

Dyfyniad Arddull Chicago

Gulbenkian, Fundaȯ̂ Calouste. Portuguese Contemporary Engravings. Calouste Gulbenkian Foundation, 1988.

Dyfyniad MLA

Gulbenkian, Fundaȯ̂ Calouste. Portuguese Contemporary Engravings. Calouste Gulbenkian Foundation, 1988.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.