Dyfyniad APA

G<U+00FC>iza Leonardo, Aristizabal Juan David, & Facultad de Ciencias, P. U. J. Mercury and gold mining in Colombia , a failed state.

Dyfyniad Arddull Chicago

G<U+00FC>iza Leonardo, Aristizabal Juan David, and Pontificia Universidad Javeriana Facultad de Ciencias. Mercury and Gold Mining in Colombia , a Failed State.

Dyfyniad MLA

G<U+00FC>iza Leonardo, et al. Mercury and Gold Mining in Colombia , a Failed State.

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