Παραπομπή APA

Vietnam, & Ministry of Natural Resources and Environment. (2009). National state of environment 2009: Vietnam industrial zone environment. Ha Noi: [Ha Noi].

Παραπομπή Chicago Style

Vietnam, και Ministry of Natural Resources and Environment. National State of Environment 2009: Vietnam Industrial Zone Environment. Ha Noi: [Ha Noi], 2009.

Παραπομπή MLA

Vietnam, και Ministry of Natural Resources and Environment. National State of Environment 2009: Vietnam Industrial Zone Environment. Ha Noi: [Ha Noi], 2009.

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