Παραπομπή APA

Ragbirsingh, Y., & Norville, W. (2005). A Geographic Information System (GIS) analysis for trace metal assessment of sediments in the Gulf of Paria, Trinidad.

Παραπομπή Chicago Style

Ragbirsingh, Yosha, και Wendy Norville. A Geographic Information System (GIS) Analysis for Trace Metal Assessment of Sediments in the Gulf of Paria, Trinidad. 2005.

Παραπομπή MLA

Ragbirsingh, Yosha, και Wendy Norville. A Geographic Information System (GIS) Analysis for Trace Metal Assessment of Sediments in the Gulf of Paria, Trinidad. 2005.

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