Singh, L. P., & Singh, H. (2021). Engineering drawing: Principles and applications. Cambridge University Press. https://doi.org/10.1017/9781108659437
Citazione stile Chigago Style (17a edizione)Singh, Lakhwinder Pal, e Harwinder Singh. Engineering Drawing: Principles and Applications. Cambridge: Cambridge University Press, 2021. https://doi.org/10.1017/9781108659437.
Citatione MLA (9a ed.)Singh, Lakhwinder Pal, e Harwinder Singh. Engineering Drawing: Principles and Applications. Cambridge University Press, 2021. https://doi.org/10.1017/9781108659437.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.