Macmillan, Fiona
WTO and the environment
Aweet & Maxwell, 2001
 Buku Teks
Nature tourism : managing for the environment
edited by Tensie Whelan; foreword by Peter A. A. Berle
New York : Uslan Press, 1991,
 Buku Referensi
Trade liberalisation and the environment lessons learned from Bangladesh, Chile, India, Philippines, Romania and Uganda : a synthesis report report
United Nations, 1999
 Buku Teks
Ketrin Triwidiastuty
Tinjauan hukum internasional mengenai aspek lingkungan hidup dalam perdagangan internasional
Universitas Indonesia, 2005
 UI - Skripsi Membership
Riyanto, examiner
Perdagangan internasional dan lingkungan hidup
Universitas Indonesia, 2005
 Buku Teks