Dirac, P. A. M. (1930). Principles of quantum mechanics (4th rev. ed.). Oxford University Press.
Chicago Style aipamenaDirac, P. A. M. Principles of Quantum Mechanics. 4th rev. ed. Calcutta: Oxford University Press, 1930.
MLA aipamenaDirac, P. A. M. Principles of Quantum Mechanics. 4th rev. ed. Oxford University Press, 1930.
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