Dyfyniad APA
Boulding, K. E. (1964). The meaning of the twentieth century: The great transition ([1st ed.].). Harper & Row Publishers.
Dyfyniad Arddull Chicago
Boulding, Kenneth E. The Meaning of the Twentieth Century: The Great Transition. [1st ed.]. New York: Harper & Row Publishers, 1964.
Dyfyniad MLA
Boulding, Kenneth E. The Meaning of the Twentieth Century: The Great Transition. [1st ed.]. Harper & Row Publishers, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.