Cita APA (7a ed.)

Kopecky,Lubomir. (1987). Seminar on carbonatites and alkaline rocks of the bohemian massif and ambient regions,1st. Geological Survey.

Cita Chicago Style (17a ed.)

Kopecky,Lubomir. Seminar on Carbonatites and Alkaline Rocks of the Bohemian Massif and Ambient Regions,1st. Praga - CHEC: Geological Survey, 1987.

Cita MLA (8a ed.)

Kopecky,Lubomir. Seminar on Carbonatites and Alkaline Rocks of the Bohemian Massif and Ambient Regions,1st. Geological Survey, 1987.