Academia republicii socialiste Romania. (1979). Speologia. Bucureşti.
Чикаго маягийн жагсаалтAcademia republicii socialiste Romania. Speologia. Bucureşti, 1979.
MLA ишлэлAcademia republicii socialiste Romania. Speologia. Bucureşti, 1979.
Warning: These citations may not always be 100% accurate.