APA (7 वां संस्करण) प्रशस्ति पत्र
Lebedev, L. P., & Cloud, M. J. (2003). The calculus of variations and functional analysis: With optimal control and applications in mechanics. World Scientific.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Lebedev, L. P., और Michael J. Cloud. The Calculus of Variations and Functional Analysis: With Optimal Control and Applications in Mechanics. Singapore ; River Edge, N.J.: World Scientific, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Lebedev, L. P., और Michael J. Cloud. The Calculus of Variations and Functional Analysis: With Optimal Control and Applications in Mechanics. World Scientific, 2003.
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