APA citiranje

Rosero Bixby, L. (2008). The exceptionally high life expectancy of Costa Rican nonagenarians.

Citación estilo Chicago

Rosero Bixby, Luis. The Exceptionally High Life Expectancy of Costa Rican Nonagenarians. 2008.

MLA citiranje

Rosero Bixby, Luis. The Exceptionally High Life Expectancy of Costa Rican Nonagenarians. 2008.

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