APA

Hadl G., . (1974). Results of the Austrian-Ceylonese Hydrobiological Mission 1970 of the 1st Zoological Institute of the University of Vienna (Austria) and the Department of Zoology of the Vidyalankara University of Ceylon, Kelaniya Part XVIII: Freshwater Mussels Bivalvia. Colombo 15: NARA.

Chicago

Hadl G, . 1974. Results of the Austrian-Ceylonese Hydrobiological Mission 1970 of the 1st Zoological Institute of the University of Vienna (Austria) and the Department of Zoology of the Vidyalankara University of Ceylon, Kelaniya Part XVIII: Freshwater Mussels Bivalvia. Colombo 15: NARA.

Harvard

Hadl G., . (1974). Results of the Austrian-Ceylonese Hydrobiological Mission 1970 of the 1st Zoological Institute of the University of Vienna (Austria) and the Department of Zoology of the Vidyalankara University of Ceylon, Kelaniya Part XVIII: Freshwater Mussels Bivalvia. Colombo 15: NARA.

MLA

Hadl G, . Results of the Austrian-Ceylonese Hydrobiological Mission 1970 of the 1st Zoological Institute of the University of Vienna (Austria) and the Department of Zoology of the Vidyalankara University of Ceylon, Kelaniya Part XVIII: Freshwater Mussels Bivalvia. Colombo 15: NARA. 1974.