Παραπομπή APA

Otto, J. (2006). Mining royalties: A global study of their impact on investors government and. Worldbank.

Παραπομπή Chicago Style

Otto, James. Mining Royalties: A Global Study of Their Impact on Investors Government and. Worldbank, 2006.

Παραπομπή MLA

Otto, James. Mining Royalties: A Global Study of Their Impact on Investors Government and. Worldbank, 2006.

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