APA ציטוט
Piaggio, H. T. H. (1928). An elementary treatise on differential equations and their applications (New ed., rev. and enl.). G. Bell.
Chicago Style (17th ed.) Citation
Piaggio, H. T. H. An Elementary Treatise on Differential Equations and Their Applications. New ed., rev. and enl. London: G. Bell, 1928.
ציטוט MLA
Piaggio, H. T. H. An Elementary Treatise on Differential Equations and Their Applications. New ed., rev. and enl. G. Bell, 1928.
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