APA (7th ed.) Citation

Papua New Guinea. (1982). Keep methematically fit, for PNG high schools: Answer book for grade 9. The Dept..

Chicago Style (17th ed.) Citation

Papua New Guinea. Keep Methematically Fit, for PNG High Schools: Answer Book for Grade 9. [Port Moresby]: The Dept., 1982.

MLA (9th ed.) Citation

Papua New Guinea. Keep Methematically Fit, for PNG High Schools: Answer Book for Grade 9. The Dept., 1982.

Warning: These citations may not always be 100% accurate.