Gaya APA

Sinnott, J, D. (1998). The Development of Logic in Adulthood: Postformal Thought and Its Applications . New York: Plenum Press.

Gaya MLA

Sinnott, Jan, D.. "The Development of Logic in Adulthood: Postformal Thought and Its Applications". New York: Plenum Press, 1998. Art Original.