National Library Service of Papua New Guinea. School Library Service. (1982). Simplified Dewey classification scheme and subject headings: For high schools in Papua New Guinea. School Library Service, National Library of Papua New Guinea.
Citazione stile Chigago Style (17a edizione)National Library Service of Papua New Guinea. School Library Service. Simplified Dewey Classification Scheme and Subject Headings: For High Schools in Papua New Guinea. [Port Moresby]: School Library Service, National Library of Papua New Guinea, 1982.
Citatione MLA (9a ed.)National Library Service of Papua New Guinea. School Library Service. Simplified Dewey Classification Scheme and Subject Headings: For High Schools in Papua New Guinea. School Library Service, National Library of Papua New Guinea, 1982.