Morris Louis: 27 June - 1 September 1974 ; Hayward Gallery / Morris Louis [Ill.]. Arts Council of Great Britain.
Cita Chicago (17th ed.)Morris Louis: 27 June - 1 September 1974 ; Hayward Gallery / Morris Louis [Ill.]. [London]: Arts Council of Great Britain.
Cita MLA (8th ed.)Morris Louis: 27 June - 1 September 1974 ; Hayward Gallery / Morris Louis [Ill.]. Arts Council of Great Britain.
Atenció: Aquestes cites poden no estar 100% correctes.