Trenaman, J. (1967). Communication and comprehension: The report of an investigation, by statistical methods, of the effective communication of educative material and an assessment of the factors making for such communication, with special reference to broadcasting. Longmans.

Trenaman, Joseph. Communication and Comprehension: The Report of an Investigation, by Statistical Methods, of the Effective Communication of Educative Material and an Assessment of the Factors Making for Such Communication, with Special Reference to Broadcasting. [London]: Longmans, 1967.

Trenaman, Joseph. Communication and Comprehension: The Report of an Investigation, by Statistical Methods, of the Effective Communication of Educative Material and an Assessment of the Factors Making for Such Communication, with Special Reference to Broadcasting. Longmans, 1967.