APA

Pretzmann G., . (1973). Results of the Austrian-Ceylonese Hydrobiological Mission 1970 1st Zoological Institute of the University of Vienna (Austria) and the Department of Zoology of the University of Ceylon, Vidyalankara Campus, Kelaniya PART XIV The Freshwater Crabs of the Ceylonese Mountain Rivers. Colombo 15: NARA.

Chicago

Pretzmann Gerhard, . 1973. Results of the Austrian-Ceylonese Hydrobiological Mission 1970 1st Zoological Institute of the University of Vienna (Austria) and the Department of Zoology of the University of Ceylon, Vidyalankara Campus, Kelaniya PART XIV The Freshwater Crabs of the Ceylonese Mountain Rivers. Colombo 15: NARA.

Harvard

Pretzmann G., . (1973). Results of the Austrian-Ceylonese Hydrobiological Mission 1970 1st Zoological Institute of the University of Vienna (Austria) and the Department of Zoology of the University of Ceylon, Vidyalankara Campus, Kelaniya PART XIV The Freshwater Crabs of the Ceylonese Mountain Rivers. Colombo 15: NARA.

MLA

Pretzmann Gerhard, . Results of the Austrian-Ceylonese Hydrobiological Mission 1970 1st Zoological Institute of the University of Vienna (Austria) and the Department of Zoology of the University of Ceylon, Vidyalankara Campus, Kelaniya PART XIV The Freshwater Crabs of the Ceylonese Mountain Rivers. Colombo 15: NARA. 1973.