Citazione Stile APA (7a Edizione)

Jeffery, P. L. (1972). A filmstrip and slide projector for schools. University of Papua and New Guinea, Teaching Methods and Materials Centre.

Citazione stile Chigago Style (17a edizione)

Jeffery, Peter L. A Filmstrip and Slide Projector for Schools. [Port Moresby]: University of Papua and New Guinea, Teaching Methods and Materials Centre, 1972.

Citatione MLA (9a ed.)

Jeffery, Peter L. A Filmstrip and Slide Projector for Schools. University of Papua and New Guinea, Teaching Methods and Materials Centre, 1972.