APA citiranje

Marinkelle, C. J. (1965). Notes on Colombian Opalinids. I. Opalina, Zelleriella, and Cepedea.

Citación estilo Chicago

Marinkelle, C. J. Notes On Colombian Opalinids. I. Opalina, Zelleriella, and Cepedea. 1965.

MLA citiranje

Marinkelle, C. J. Notes On Colombian Opalinids. I. Opalina, Zelleriella, and Cepedea. 1965.

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