Λιγγρής, Ν., & Βέμπερ, Κ. (1989). Ωmega english learner's dictionary: For speaker's of greek. [Athens]: Ωmega ELT Publications.
Style de citation ChicagoΛιγγρής, Νίκος, et Κλειώ Βέμπερ. Ωmega English Learner's Dictionary: For Speaker's of Greek. [Athens]: Ωmega ELT Publications, 1989.
Style de citation MLAΛιγγρής, Νίκος, et Κλειώ Βέμπερ. Ωmega English Learner's Dictionary: For Speaker's of Greek. [Athens]: Ωmega ELT Publications, 1989.
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