Robinson, D., & David Robinson. (2003). Business protocol: Contemporary American practice. Cincinnati, OH: Atomic Dog Publishing.
शिकागो स्टाइल उद्धरणRobinson, David, और David Robinson. Business Protocol: Contemporary American Practice. Cincinnati, OH: Atomic Dog Publishing, 2003.
एमएलए उद्धरणRobinson, David, और David Robinson. Business Protocol: Contemporary American Practice. Cincinnati, OH: Atomic Dog Publishing, 2003.
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