Hrbacek, K., Jech, T. J., & Jech, T. (1999). Introduction to set theory (3rd ed., rev. and expanded.). New York: Marcel Dekker.
Παραπομπή Chicago StyleHrbacek, Karel, Thomas J. Jech, and Thomas Jech. Introduction to Set Theory. 3rd ed., rev. and expanded. New York: Marcel Dekker, 1999.
Παραπομπή MLAHrbacek, Karel, Thomas J. Jech, and Thomas Jech. Introduction to Set Theory. 3rd ed., rev. and expanded. New York: Marcel Dekker, 1999.
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