Joseph Ralston Hayden. (1942). The Philippines, a study in national development. New York: The Macmillan company.
शिकागो स्टाइल उद्धरणJoseph Ralston Hayden. The Philippines, a Study in National Development. New York: The Macmillan company, 1942.
एमएलए उद्धरणJoseph Ralston Hayden. The Philippines, a Study in National Development. New York: The Macmillan company, 1942.
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