Landesman, C. (1971). The problem of universals. New York: Basic Books, Inc., Publishers.
Чикагска система за цитиранеLandesman, Charles. The Problem of Universals. New York: Basic Books, Inc., Publishers, 1971.
MLA формат за цитиранеLandesman, Charles. The Problem of Universals. New York: Basic Books, Inc., Publishers, 1971.
Внимание: Тези цитати може да не са 100% точни.