Παραπομπή APA

Spongberg, A. L. (2004). PCB contamination in marine sediments from Golfo Dulce, Pacific coast of Costa Rica.

Παραπομπή Chicago Style

Spongberg, Alison L. PCB Contamination in Marine Sediments From Golfo Dulce, Pacific Coast of Costa Rica. 2004.

Παραπομπή MLA

Spongberg, Alison L. PCB Contamination in Marine Sediments From Golfo Dulce, Pacific Coast of Costa Rica. 2004.

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