Locher, J. L., & Veldhuysen, W. F. (2000). The magic of M. C. Escher: With an introduction by J. L. Locher. Foreword by W. F. Veldhuysen. Thames & Hudson.
Lua i Stíl Chicago (17ú heag.)Locher, J. L., agus W. F. Veldhuysen. The Magic of M. C. Escher: With an Introduction by J. L. Locher. Foreword by W. F. Veldhuysen. London: Thames & Hudson, 2000.
Lua MLA (8ú heag.)Locher, J. L., agus W. F. Veldhuysen. The Magic of M. C. Escher: With an Introduction by J. L. Locher. Foreword by W. F. Veldhuysen. Thames & Hudson, 2000.
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