Johnson, D. C., & Tinsley, J. D. (1977). Informatics and mathematics in secondary schools: Impacts and relationships. North-Holland Publishing Company.
Citazione stile Chigago Style (17a edizione)Johnson, D C., e J D. Tinsley. Informatics and Mathematics in Secondary Schools: Impacts and Relationships. Amsterdam: North-Holland Publishing Company, 1977.
Citatione MLA (9a ed.)Johnson, D C., e J D. Tinsley. Informatics and Mathematics in Secondary Schools: Impacts and Relationships. North-Holland Publishing Company, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.