APA (7e ed.) Bronvermelding

Zafran, E. M. (1988). Fifty old master paintings from the walters art gallery. Trustees of the Walters Art Gallery.

Chicago (17e ed.) Bronvermelding

Zafran, Eric M. Fifty Old Master Paintings from the Walters Art Gallery. Baltimore: Trustees of the Walters Art Gallery, 1988.

MLA (9e ed.) Bronvermelding

Zafran, Eric M. Fifty Old Master Paintings from the Walters Art Gallery. Trustees of the Walters Art Gallery, 1988.