Citazione Stile APA (7a Edizione)

National Council of Teachers of Mathematics, U.S.A. (1967). Conjuntos. Trillas.

Citazione stile Chigago Style (17a edizione)

National Council of Teachers of Mathematics, U.S.A. Conjuntos. Ciudad de México: Trillas, 1967.

Citatione MLA (9a ed.)

National Council of Teachers of Mathematics, U.S.A. Conjuntos. Trillas, 1967.