Παραπομπή APA

Gradshtein, I. S., & Boddington, T. (1963). Direct and converse theorems: The elements of symbolic logic. Oxford: Pergamon Press.

Παραπομπή Chicago Style

Gradshtein, Irail Solomonovich, and T. Boddington. Direct and Converse Theorems: The Elements of Symbolic Logic. Oxford: Pergamon Press, 1963.

Παραπομπή MLA

Gradshtein, Irail Solomonovich, and T. Boddington. Direct and Converse Theorems: The Elements of Symbolic Logic. Oxford: Pergamon Press, 1963.

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