Παραπομπή APA

Prego, R., Cobelo-García, A., Tubío, C., & Barciela, M. (2003). Presence, distribution and contamination levels of lead in the surface sediments of the Ria of Ferrol (NW Spain). Iniversidad Autónoma de Baja California.

Παραπομπή Chicago Style

Prego, R., A. Cobelo-García, C. Tubío, και MC Barciela. Presence, Distribution and Contamination Levels of Lead in the Surface Sediments of the Ria of Ferrol (NW Spain). Iniversidad Autónoma de Baja California, 2003.

Παραπομπή MLA

Prego, R., A. Cobelo-García, C. Tubío, και MC Barciela. Presence, Distribution and Contamination Levels of Lead in the Surface Sediments of the Ria of Ferrol (NW Spain). Iniversidad Autónoma de Baja California, 2003.

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