APA引文

(1991). Selected multilateral treaties in the field of the environment: ( Volume 2 ). UNEP.

Chicago Edition Citation

Selected Multilateral Treaties in the Field of the Environment: ( Volume 2 ). Nairobi: UNEP, 1991.

MLA引文

Selected Multilateral Treaties in the Field of the Environment: ( Volume 2 ). UNEP, 1991.

警告：這些引文格式不一定是100％准確.