Langan, J. (2014). College writing skills with readings 9th ed. McGraw-Hill.
Citace podle Chicago (17th ed.)Langan, John. College Writing Skills with Readings 9th Ed. McGraw-Hill, 2014.
Citace podle MLA (8th ed.)Langan, John. College Writing Skills with Readings 9th Ed. McGraw-Hill, 2014.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..