Bellows, R., Thomas Q Gilson, & George Odiorne. (1962). Executive skills: Their dynamics and development. Prentice Hall.
शिकागो स्टाइल उद्धरणBellows, Roger, Thomas Q Gilson, और George Odiorne. Executive Skills: Their Dynamics and Development. New Jersey: Prentice Hall, 1962.
एमएलए उद्धरणBellows, Roger, et al. Executive Skills: Their Dynamics and Development. Prentice Hall, 1962.
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