APA-viite

Birkelbach, J., & Ortiz Vargas, R. (2012). ELEMENT CONTENTS OF SOIL AND LEAVES AND THEIR CORRELATION IN FIVE TREE SPECIES IN AN AREA OF THE RESERVA BIOLOGICA ALBERTO BRENES, COSTA RICA.

Chicago-tyylinen lähdeviittaus

Birkelbach, Jens, ja Rodolfo Ortiz Vargas. ELEMENT CONTENTS OF SOIL AND LEAVES AND THEIR CORRELATION IN FIVE TREE SPECIES IN AN AREA OF THE RESERVA BIOLOGICA ALBERTO BRENES, COSTA RICA. 2012.

MLA-viite

Birkelbach, Jens, ja Rodolfo Ortiz Vargas. ELEMENT CONTENTS OF SOIL AND LEAVES AND THEIR CORRELATION IN FIVE TREE SPECIES IN AN AREA OF THE RESERVA BIOLOGICA ALBERTO BRENES, COSTA RICA. 2012.

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