Canberra College of Advanced Education. Library & Crittenden, V. (1986). A catalogue of landscape architecture: The Richard Clough Collection. Canberra College of Advanced Education.
Chicago-referens (17:e uppl.)Canberra College of Advanced Education. Library och Victor Crittenden. A Catalogue of Landscape Architecture: The Richard Clough Collection. Belconnen, A.C.T.: Canberra College of Advanced Education, 1986.
MLA-referens (8:e uppl.)Canberra College of Advanced Education. Library och Victor Crittenden. A Catalogue of Landscape Architecture: The Richard Clough Collection. Canberra College of Advanced Education, 1986.
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