RALPH, P. L. (1968). Study guide for Burns and Ralph world civilisations. New York: Norton.
Chicago Style CitationRALPH, Philip Lee. Study Guide for Burns and Ralph World Civilisations. New York: Norton, 1968.
MLA CitationRALPH, Philip Lee. Study Guide for Burns and Ralph World Civilisations. New York: Norton, 1968.
Warning: These citations may not always be 100% accurate.