Papua New Guinea. Dept. of Forests & Papua New Guinea. Dept. of Forests. Annual report. The Dept.
Цитирование в стиле Чикаго (17-е изд.)Papua New Guinea. Dept. of Forests и Papua New Guinea. Dept. of Forests. Annual Report. Port Moresby: The Dept.
Цитирование MLA (8-е изд.)Papua New Guinea. Dept. of Forests и Papua New Guinea. Dept. of Forests. Annual Report. The Dept.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.