APA način citiranja (7. izdanje)
Lebedev, L. P., Cloud, M. J., & Guran, A. The Calculus of Variations and Functional Analysis: With Optimal Control and Applications in Mechanics. World Scientific.
Čikaški stil citiranja (17. izdanje)
Lebedev, Leonid P., Michael J. Cloud, i Ardéshir Guran. The Calculus of Variations and Functional Analysis: With Optimal Control and Applications in Mechanics. Singapur: World Scientific.
MLA način citiranja (9. izdanje)
Lebedev, Leonid P., et al. The Calculus of Variations and Functional Analysis: With Optimal Control and Applications in Mechanics. World Scientific.
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