Kumar, N. (2005). An elementary course on variational problems in calculus. Harrow, U.K: Alpha Science International Ltd.
Trích dẫn kiểu ChicagoKumar, Naveen. An Elementary Course On Variational Problems in Calculus. Harrow, U.K: Alpha Science International Ltd, 2005.
MLA引文Kumar, Naveen. An Elementary Course On Variational Problems in Calculus. Harrow, U.K: Alpha Science International Ltd, 2005.
警告:這些引文格式不一定是100%准確.