APA (7th ed.) Citation

Jeffery, P. L. (1972). Research into the effectiveness of a radio and loudspeaker combination for schools in Papua New Guinea. Teaching Methods and Materials Centre, University of Papua and New Guinea.

Chicago Style (17th ed.) Citation

Jeffery, Peter L. Research into the Effectiveness of a Radio and Loudspeaker Combination for Schools in Papua New Guinea. [Port Moresby]: Teaching Methods and Materials Centre, University of Papua and New Guinea, 1972.

MLA (9th ed.) Citation

Jeffery, Peter L. Research into the Effectiveness of a Radio and Loudspeaker Combination for Schools in Papua New Guinea. Teaching Methods and Materials Centre, University of Papua and New Guinea, 1972.