APA استشهاد

Liu, W. K., & Belytschko, T. P. (1984). Innovative methods for nonlinear problems. Pineridge.

استشهاد بنمط شيكاغو

Liu, W K., و T Park Belytschko. Innovative Methods for Nonlinear Problems. UK: Pineridge, 1984.

MLA استشهاد

Liu, W K., و T Park Belytschko. Innovative Methods for Nonlinear Problems. Pineridge, 1984.