The Bernasconi Collection : : Part IV: Monotypes by Pompeo Mariani and Giogio Belloni (Sale London, Christie's, 11.04.1989).

MLA

The Bernasconi Collection : Part Iv: Monotypes by Pompeo Mariani and Giogio Belloni (sale London, Christie's, 11.04.1989). London: Christie's, 1989.

APA

(1989). The Bernasconi Collection : Part IV: Monotypes by Pompeo Mariani and Giogio Belloni (Sale London, Christie's, 11.04.1989). London: Christie's.

Chicago

The Bernasconi Collection: Part IV: Monotypes by Pompeo Mariani and Giogio Belloni (sale London, Christie's, 11.04.1989). London: Christie's, 1989.