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.
Chicago-viite (17. p.)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.
MLA-viite (9. p.)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.