APA-referens (7:e uppl.)

Nyirenda Gibson, Ngwakwe Collins C., Ambe Cosmas M., & Faculty of Management, U. o. P. Environmental management practices and firm performance in a South African mining firm.

Chicago-referens (17:e uppl.)

Nyirenda Gibson, Ngwakwe Collins C., Ambe Cosmas M., och University of Primorska Faculty of Management. Environmental Management Practices and Firm Performance in a South African Mining Firm.

MLA-referens (9:e uppl.)

Nyirenda Gibson, et al. Environmental Management Practices and Firm Performance in a South African Mining Firm.

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