Ng, X. W., & Ng, X. W. (2019). Engineering Problems for Undergraduate Students: Over 250 Worked Examples with Step-by-Step Guidance (1st ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-030-13856-1
Παραπομπή σε μορφή Chicago (17η εκδ.)Ng, Xian Wen, και Xian Wen Ng. Engineering Problems for Undergraduate Students: Over 250 Worked Examples with Step-by-Step Guidance. 1st ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-13856-1.
Παραπομπή σε μορφή MLA (8th εκδ.)Ng, Xian Wen, και Xian Wen Ng. Engineering Problems for Undergraduate Students: Over 250 Worked Examples with Step-by-Step Guidance. 1st ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-13856-1.
