Tohutoro APA (7th ed.)

National Council of Teachers of Mathematics, U.S.A. (1970). Lógica. Trillas.

Tohutoru Kātū Chicago (17th ed.)

National Council of Teachers of Mathematics, U.S.A. Lógica. Ciudad de México: Trillas, 1970.

Tohutoro MLA (9th ed.)

National Council of Teachers of Mathematics, U.S.A. Lógica. Trillas, 1970.