Lua APA (7ú heag.)

Não informado. (1998). Cotton world statistics. International Cotton Advisory Committee.

Lua i Stíl Chicago (17ú heag.)

Não informado. Cotton World Statistics. Washington: International Cotton Advisory Committee, 1998.

Lua MLA (8ú heag.)

Não informado. Cotton World Statistics. International Cotton Advisory Committee, 1998.

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