APA引文

Henry E. Russell and Associates & United Nations Environment Programme. (1986). Afforestation projects. United Nations Environment Programme.

Chicago Style (17th ed.) Citation

Henry E. Russell and Associates and United Nations Environment Programme. Afforestation Projects. Nairobi: United Nations Environment Programme, 1986.

MLA引文

Henry E. Russell and Associates and United Nations Environment Programme. Afforestation Projects. United Nations Environment Programme, 1986.

警告：這些引文格式不一定是100％准確.