Klemm, P., & Žuffa, M. (1977). Myšlenky-vynálezcovia-patenty. Smena.
Chicago Style (17th ed.) CitationKlemm, Peter, and Milan Žuffa. Myšlenky-vynálezcovia-patenty. Bratislava: Smena, 1977.
MLA (9th ed.) CitationKlemm, Peter, and Milan Žuffa. Myšlenky-vynálezcovia-patenty. Smena, 1977.
Warning: These citations may not always be 100% accurate.