Dyfyniad APA

González Pérez, E. (2011). Bibliometric study of the work of Costa Rican naturalist Anastasio Alfaro and Henri Pittier in journals between 1887 and 1946 Costa Rican.

Dyfyniad Arddull Chicago

González Pérez, Esteban. Bibliometric Study of the Work of Costa Rican Naturalist Anastasio Alfaro and Henri Pittier in Journals between 1887 and 1946 Costa Rican. 2011.

Dyfyniad MLA

González Pérez, Esteban. Bibliometric Study of the Work of Costa Rican Naturalist Anastasio Alfaro and Henri Pittier in Journals between 1887 and 1946 Costa Rican. 2011.

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