Spotts, M. F. (2004). Design of machine elements. New Jersey: Pearson Prentice Hall.
Trích dẫn kiểu ChicagoSpotts, M. F. Design of Machine Elements. New Jersey: Pearson Prentice Hall, 2004.
MLA引文Spotts, M. F. Design of Machine Elements. New Jersey: Pearson Prentice Hall, 2004.
警告:這些引文格式不一定是100%准確.