Vas, G. (1995). The Sterling book of word power. Sterling Pubs.
Lua i Stíl Chicago (17ú heag.)Vas, Gratian. The Sterling Book of Word Power. New Delhi: Sterling Pubs, 1995.
Lua MLA (9ú heag.)Vas, Gratian. The Sterling Book of Word Power. Sterling Pubs, 1995.
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