Cita APA (7a ed.)

Charnovitz, S. (1992). Environmental and labour standards in trade. [s.n.].

Cita Chicago Style (17a ed.)

Charnovitz, Steve. Environmental and Labour Standards in Trade. [S.l.]: [s.n.], 1992.

Cita MLA (9a ed.)

Charnovitz, Steve. Environmental and Labour Standards in Trade. [s.n.], 1992.