Schlesch, H. (1938). Notes on Northern Mollusca, I. Zenodo.
Cita Chicago (17th ed.)Schlesch, Hans. Notes on Northern Mollusca, I. Zenodo, 1938.
Cita MLA (9th ed.)Schlesch, Hans. Notes on Northern Mollusca, I. Zenodo, 1938.
Atenció: Aquestes cites poden no estar 100% correctes.