APA-viite

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.

Chicago-tyylinen lähdeviittaus

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.

MLA-viite

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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