Bockris, Victor. Warhol: the Biography, 12 agost 2003, p. 326, 327. ISBN 9780786730285 [Consulta: 19 gener 2016]. [Note – in "view all"/"page 327" – from the book text, "In a final defence of his methods, which were used in Blue Movie for the last time, Andy told Leticia Kent, [in a Vogue interview] ..."]