Gaya APA

Northrop, F, E. (1963). Ideological differences and world order, studies in the philosophy and science of the world's cultures. - Yale Y-77. Copyright 1949. . London dsl: Yale University Press.

Gaya MLA

Northrop, F.S.C.,, Ed.. "Ideological differences and world order, studies in the philosophy and science of the world's cultures. - Yale Y-77. Copyright 1949. ". London dsl: Yale University Press, 1963. Buku.