Fraenkel, A. A. (1953). Abstract set theory. North-Holland.
Cita Chicago Style (17a ed.)Fraenkel, Abraham Adolf. Abstract Set Theory. Amsterdam: North-Holland, 1953.
Cita MLA (8a ed.)Fraenkel, Abraham Adolf. Abstract Set Theory. North-Holland, 1953.
Precaución: Estas citas no son 100% exactas.