Johnson, R. K. (1972). The analysis of classroom behaviour under various teaching situations: Study of a lower primary school family group. Teaching Methods and Materials Centre, University of Papua and New Guinea.
Lua i Stíl Chicago (17ú heag.)Johnson, R. K. The Analysis of Classroom Behaviour Under Various Teaching Situations: Study of a Lower Primary School Family Group. [Port Moresby]: Teaching Methods and Materials Centre, University of Papua and New Guinea, 1972.
Lua MLA (9ú heag.)Johnson, R. K. The Analysis of Classroom Behaviour Under Various Teaching Situations: Study of a Lower Primary School Family Group. Teaching Methods and Materials Centre, University of Papua and New Guinea, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.