Lua APA (7ú heag.)

Duncan, K., & Hodgkin, H. (1991). Howard Hodgkin: Hand-coloured prints, 1986 - 1991 ; catalog of an exhibition held Mar. 27 - Apr. 20, 1991 at Waddington Graphics, London/ [catalogue coordination by Katharine Duncan]. Waddington Graphics.

Lua i Stíl Chicago (17ú heag.)

Duncan, Katharine, agus Howard Hodgkin. Howard Hodgkin: Hand-coloured Prints, 1986 - 1991 ; Catalog of an Exhibition Held Mar. 27 - Apr. 20, 1991 at Waddington Graphics, London/ [catalogue Coordination by Katharine Duncan]. London: Waddington Graphics, 1991.

Lua MLA (8ú heag.)

Duncan, Katharine, agus Howard Hodgkin. Howard Hodgkin: Hand-coloured Prints, 1986 - 1991 ; Catalog of an Exhibition Held Mar. 27 - Apr. 20, 1991 at Waddington Graphics, London/ [catalogue Coordination by Katharine Duncan]. Waddington Graphics, 1991.

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