Vieira, W. E. (2010). World passport for global managers: Concise, no-nonsense guide to executive etiquette. Unicorn.
シカゴスタイル引用形Vieira, Walter E. World Passport for Global Managers: Concise, No-nonsense Guide to Executive Etiquette. New Delhi: Unicorn, 2010.
MLA引用形式Vieira, Walter E. World Passport for Global Managers: Concise, No-nonsense Guide to Executive Etiquette. Unicorn, 2010.
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