APA (7e ed.) Bronvermelding

Mathematical Association of of Victoria & State College of Victoria at Rusden. Centre Studies in the Curriculum. (1980). The Mathematical adventure of RALPH. the Association.

Chicago (17e ed.) Bronvermelding

Mathematical Association of of Victoria en State College of Victoria at Rusden. Centre Studies in the Curriculum. The Mathematical Adventure of RALPH. [Melbourne, The Centre: the Association, 1980.

MLA (9e ed.) Bronvermelding

Mathematical Association of of Victoria en State College of Victoria at Rusden. Centre Studies in the Curriculum. The Mathematical Adventure of RALPH. the Association, 1980.