Cita APA (7a ed.)

International Council of Environmental Law, Burhenne, W. E., & Jahnke, M. (1993). International environmental soft law: Collection of relevant instruments. Kluwer Law International.

Cita Chicago Style (17a ed.)

International Council of Environmental Law, Wolfgang E. Burhenne, y Marlene Jahnke. International Environmental Soft Law: Collection of Relevant Instruments. The Hague ; Boston: Kluwer Law International, 1993.

Cita MLA (8a ed.)

International Council of Environmental Law, et al. International Environmental Soft Law: Collection of Relevant Instruments. Kluwer Law International, 1993.