Papua New Guinea. Department of Education. (1982). Trial workbooks for grade 9: 9.9 circles. Department of Education.
Chicago Style (17th ed.) CitationPapua New Guinea. Department of Education. Trial Workbooks for Grade 9: 9.9 Circles. Port Moresby: Department of Education, 1982.
MLA (9th ed.) CitationPapua New Guinea. Department of Education. Trial Workbooks for Grade 9: 9.9 Circles. Department of Education, 1982.
Warning: These citations may not always be 100% accurate.