Maher, L. P. (1968). Finite sets: Theory, counting, and applications. Columbus, OH.: Charles E. Merrill Publishing Company.
Παραπομπή Chicago StyleMaher, Laurence P. Finite Sets: Theory, Counting, and Applications. Columbus, OH.: Charles E. Merrill Publishing Company, 1968.
Παραπομπή MLAMaher, Laurence P. Finite Sets: Theory, Counting, and Applications. Columbus, OH.: Charles E. Merrill Publishing Company, 1968.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.