Cita APA

Twum-Barima, R., & Campbell, L. B. (1994). Protecting the ozone layer through trade measures: Reconciling the trade provisions of the Montreal Protocol and the rules of the GATT. Geneva, Suiza: United Nations Environment Programme.

Citación estilo Chicago

Twum-Barima, Rosalind, y Laura B. Campbell. Protecting the Ozone Layer Through Trade Measures: Reconciling the Trade Provisions of the Montreal Protocol and the Rules of the GATT. Geneva, Suiza: United Nations Environment Programme, 1994.

Cita MLA

Twum-Barima, Rosalind, y Laura B. Campbell. Protecting the Ozone Layer Through Trade Measures: Reconciling the Trade Provisions of the Montreal Protocol and the Rules of the GATT. Geneva, Suiza: United Nations Environment Programme, 1994.