Mühlberger, R. (1994). What makes a Bruegel a Bruegel? Cherrytree Books.
Cita Chicago (17th ed.)Mühlberger, Richard. What Makes a Bruegel a Bruegel? Bath, Avon: Cherrytree Books, 1994.
Cita MLA (8th ed.)Mühlberger, Richard. What Makes a Bruegel a Bruegel? Cherrytree Books, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.