O R Pitelka. (1963). Electron microscopic structure of protozoa. London.
Chicago Edition CitationO R Pitelka. Electron Microscopic Structure of Protozoa. London, 1963.
Cita MLAO R Pitelka. Electron Microscopic Structure of Protozoa. London, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.