West, W. M., & West, R. (1936). The story of modern progress with a preliminary survey of eariler progress (New ed.). Allyn and Bacon.
Citace podle Chicago (17th ed.)West, Willis Mason, a Ruth West. The Story of Modern Progress with a Preliminary Survey of Eariler Progress. New ed. Boston ; New York [etc.]: Allyn and Bacon, 1936.
Citace podle MLA (8th ed.)West, Willis Mason, a Ruth West. The Story of Modern Progress with a Preliminary Survey of Eariler Progress. New ed. Allyn and Bacon, 1936.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..