Den Hartog, J. P. (1956). Mechanical vibrations (4. ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationDen Hartog, Jacob P. Mechanical Vibrations. 4. ed. New York (u.a.): McGraw-Hill, 1956.
MLA (9th ed.) CitationDen Hartog, Jacob P. Mechanical Vibrations. 4. ed. McGraw-Hill, 1956.
Warning: These citations may not always be 100% accurate.