Citace podle APA (7th ed.)
Piaggio, H. T. H. (1928). An elementary treatise on differential equations and their applications (New ed., rev. and enl.). G. Bell.
Citace podle Chicago (17th ed.)
Piaggio, H. T. H. An Elementary Treatise on Differential Equations and Their Applications. New ed., rev. and enl. London: G. Bell, 1928.
Citace podle MLA (9th ed.)
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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