BELS, s.r.o. (Bratislava), & Perkins Engines Company Ltd. (2003). 3 - valcové dieselové motory najnovšej generácie. [s.n.].
Chicago Style (17th ed.) CitationBELS, s.r.o. (Bratislava), and Perkins Engines Company Ltd. 3 - Valcové Dieselové Motory Najnovšej Generácie. [S.l.]: [s.n.], 2003.
MLA (9th ed.) CitationBELS, s.r.o. (Bratislava), and Perkins Engines Company Ltd. 3 - Valcové Dieselové Motory Najnovšej Generácie. [s.n.], 2003.
Warning: These citations may not always be 100% accurate.