APA引文

Alfaro M., M. (1993). The Conservation of Forest Resources: The challenge of this decade.

Citación estilo Chicago

Alfaro M., Marielos. The Conservation of Forest Resources: The Challenge of This Decade. 1993.

MLA引文

Alfaro M., Marielos. The Conservation of Forest Resources: The Challenge of This Decade. 1993.

警告：這些引文格式不一定是100％准確.