Mathematical Association of of Victoria & State College of Victoria at Rusden. Centre Studies in the Curriculum. (1980). The Mathematical adventure of RALPH. the Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Mathematical Association of of Victoria και State College of Victoria at Rusden. Centre Studies in the Curriculum. The Mathematical Adventure of RALPH. [Melbourne, The Centre: the Association, 1980.
Παραπομπή σε μορφή MLA (9th εκδ.)Mathematical Association of of Victoria και State College of Victoria at Rusden. Centre Studies in the Curriculum. The Mathematical Adventure of RALPH. the Association, 1980.
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