APA
Hill L. A., Fielden R. D. S., . (1972). Vocabulary tests and exercise students. London: Oxford University Press.
Chicago
Hill L A, Fielden R D S, . 1972. Vocabulary tests and exercise students. London: Oxford University Press.
Harvard
Hill L. A., Fielden R. D. S., . (1972). Vocabulary tests and exercise students. London: Oxford University Press.
MLA
Hill L A, Fielden R D S, . Vocabulary tests and exercise students. London: Oxford University Press. 1972.
