Gyllenbok, J., & Gyllenbok, J. (2018). Encyclopaedia of Historical Metrology, Weights, and Measures: Volume 2 (1st ed. 2018.). Springer International Publishing : Imprint: Birkhäuser. https://doi.org/10.1007/978-3-319-66691-4
Παραπομπή σε μορφή Chicago (17η εκδ.)Gyllenbok, Jan, και Jan Gyllenbok. Encyclopaedia of Historical Metrology, Weights, and Measures: Volume 2. 1st ed. 2018. Cham: Springer International Publishing : Imprint: Birkhäuser, 2018. https://doi.org/10.1007/978-3-319-66691-4.
Παραπομπή σε μορφή MLA (8th εκδ.)Gyllenbok, Jan, και Jan Gyllenbok. Encyclopaedia of Historical Metrology, Weights, and Measures: Volume 2. 1st ed. 2018. Springer International Publishing : Imprint: Birkhäuser, 2018. https://doi.org/10.1007/978-3-319-66691-4.
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