(1970). Learner's dictionary: : illustrated in colour. McGraw-Hill.
Chicago Style (17th ed.) ZitazioaLearner's Dictionary: : Illustrated in Colour. New York: McGraw-Hill, 1970.
MLA (9th ed.) ZitazioaLearner's Dictionary: : Illustrated in Colour. McGraw-Hill, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.