Ruiz, A. (1959). Notes on Costa Rican Opalinids. I. Opalina moreletei Metcalf.
シカゴスタイル引用形Ruiz, Armando. Notes On Costa Rican Opalinids. I. Opalina Moreletei Metcalf. 1959.
MLA引用形式Ruiz, Armando. Notes On Costa Rican Opalinids. I. Opalina Moreletei Metcalf. 1959.
警告: この引用は必ずしも正確ではありません.