Hughes, R., & Olsen, J. (1965). Donald Friend: By Robert Hughes. With a foreword by John Olsen. Edwards & Shaw.
Cita Chicago (17th ed.)Hughes, Robert, i John Olsen. Donald Friend: By Robert Hughes. With a Foreword by John Olsen. Sydney: Edwards & Shaw, 1965.
Cita MLA (8th ed.)Hughes, Robert, i John Olsen. Donald Friend: By Robert Hughes. With a Foreword by John Olsen. Edwards & Shaw, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.