APA (7th ed.) Citation

Papua New Guinea. Dept. of Education. (1971). A challenge in teaching. Dept. of Education.

Chicago Style (17th ed.) Citation

Papua New Guinea. Dept. of Education. A Challenge in Teaching. [Port Moresby: Dept. of Education, 1971.

MLA (9th ed.) Citation

Papua New Guinea. Dept. of Education. A Challenge in Teaching. Dept. of Education, 1971.

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