APA
Treitel G. H., . (2002). Some Landmarks of Twentieth Century Contract Law. : Oxford University Press.
Chicago
Treitel G H, . 2002. Some Landmarks of Twentieth Century Contract Law. : Oxford University Press.
Harvard
Treitel G. H., . (2002). Some Landmarks of Twentieth Century Contract Law. : Oxford University Press.
MLA
Treitel G H, . Some Landmarks of Twentieth Century Contract Law. : Oxford University Press. 2002.