Cita APA

Spongberg, A. L. (2004). PCB concentrations in sediments from the Gulf of Nicoya estuary, Pacific coast of Costa Rica. Universidad de Costa Rica.

Citación estilo Chicago

Spongberg, Alison L. PCB Concentrations in Sediments From the Gulf of Nicoya Estuary, Pacific Coast of Costa Rica. Universidad de Costa Rica, 2004.

Cita MLA

Spongberg, Alison L. PCB Concentrations in Sediments From the Gulf of Nicoya Estuary, Pacific Coast of Costa Rica. Universidad de Costa Rica, 2004.

Precaución: Estas citas no son 100% exactas.