Piaggio, H. T. H. (1920). An Elementary Treatise on Differential Equations and Their Applications. Modern Book Centre.
Chicago-Zitierstil (17. Ausg.)Piaggio, H. T. H. An Elementary Treatise on Differential Equations and Their Applications. London: Modern Book Centre, 1920.
MLA-Zitierstil (9. Ausg.)Piaggio, H. T. H. An Elementary Treatise on Differential Equations and Their Applications. Modern Book Centre, 1920.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.