The Working of the National Gallery (Exhibition London, National Gallery, May - June 1974).

MLA

Levey, Michael. The Working of the National Gallery (exhibition London, National Gallery, May - June 1974). London: Trustees of the National Gallery (Londen), 1974.

APA

Levey, M. (1974). The Working of the National Gallery (Exhibition London, National Gallery, May - June 1974). London: Trustees of the National Gallery (Londen).

Chicago

Levey, Michael The Working of the National Gallery (exhibition London, National Gallery, May - June 1974). London: Trustees of the National Gallery (Londen), 1974.