DelRoscio, N. (2002). Writings on Cy Twombly: Edited by Nicola del Roscio. Schirmer/Mosel.
Chicago-Zitierstil (17. Ausg.)DelRoscio, Nicola. Writings on Cy Twombly: Edited by Nicola Del Roscio. Munich: Schirmer/Mosel, 2002.
MLA-Zitierstil (8. Ausg.)DelRoscio, Nicola. Writings on Cy Twombly: Edited by Nicola Del Roscio. Schirmer/Mosel, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.