Ursula Mumenthaler.

MLA

Lesaffre, Micheline. Ursula Mumenthaler. 500 ex. Gent: Galerie Fortlaan 17, 1991.

APA

Lesaffre, M. (1991). Ursula Mumenthaler. 500 ex. Gent: Galerie Fortlaan 17.

Chicago

Lesaffre, Micheline Ursula Mumenthaler. 500 ex. Gent: Galerie Fortlaan 17, 1991.