Λιγγρής, Ν., & Βέμπερ, Κ. (1989). Ωmega english learner's dictionary: For speaker's of greek. [Athens]: Ωmega ELT Publications.
Chicago-стиль цитированияΛιγγρής, Νίκος, και Κλειώ Βέμπερ. Ωmega English Learner's Dictionary: For Speaker's of Greek. [Athens]: Ωmega ELT Publications, 1989.
MLA-цитированиеΛιγγρής, Νίκος, και Κλειώ Βέμπερ. Ωmega English Learner's Dictionary: For Speaker's of Greek. [Athens]: Ωmega ELT Publications, 1989.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.