Παραπομπή APA

Fraenkel, A. A. (1961). Abstract set theory (2nd ed., completely revised edition.). Amsterdam: North-Holland Pub. Co..

Παραπομπή Chicago Style

Fraenkel, Abraham A. Abstract Set Theory. 2nd ed., completely revised edition. Amsterdam: North-Holland Pub. Co., 1961.

Παραπομπή MLA

Fraenkel, Abraham A. Abstract Set Theory. 2nd ed., completely revised edition. Amsterdam: North-Holland Pub. Co., 1961.

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