Παραπομπή APA

Giampalo Gandolfo. (1969). National gallery, washington. Paul Hamlyn.

Παραπομπή Chicago Style

Giampalo Gandolfo. National Gallery, Washington. London: Paul Hamlyn, 1969.

Παραπομπή MLA

Giampalo Gandolfo. National Gallery, Washington. Paul Hamlyn, 1969.