Dyfyniad APA

Langer, S. K. (1953). An introduction to symbolic logic. New York: Dover Publications.

Dyfyniad Arddull Chicago

Langer, Susanne Katherina. An Introduction to Symbolic Logic. New York: Dover Publications, 1953.

Dyfyniad MLA

Langer, Susanne Katherina. An Introduction to Symbolic Logic. New York: Dover Publications, 1953.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.