Papua New Guinea. Department of Education. (1976). Handbook for headmasters and teachers in Secondary schools. Dept. of Education.
Цитирование в стиле Чикаго (17-е изд.)Papua New Guinea. Department of Education. Handbook for Headmasters and Teachers in Secondary Schools. Port Moresby: Dept. of Education, 1976.
Цитирование MLA (9-е изд.)Papua New Guinea. Department of Education. Handbook for Headmasters and Teachers in Secondary Schools. Dept. of Education, 1976.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.