Papua New Guinea. Dept. of Forests & Papua New Guinea. Dept. of Forests. Annual report. The Dept.
芝加哥风格引文Papua New Guinea. Dept. of Forests 与 Papua New Guinea. Dept. of Forests. Annual Report. Port Moresby: The Dept.
MLA引文Papua New Guinea. Dept. of Forests 与 Papua New Guinea. Dept. of Forests. Annual Report. The Dept.
警告：这些引文格式不一定是100％准确.