Παραπομπή APA

Vieira, W. E. (2010). World passport for global managers: Concise, no-nonsense guide to executive etiquette. Unicorn.

Παραπομπή Chicago Style

Vieira, Walter E. World Passport for Global Managers: Concise, No-nonsense Guide to Executive Etiquette. New Delhi: Unicorn, 2010.

Παραπομπή MLA

Vieira, Walter E. World Passport for Global Managers: Concise, No-nonsense Guide to Executive Etiquette. Unicorn, 2010.