Guardia, D. l. (2003). American voices: Culture and community. Boston: McGraw-Hill.
शिकागो स्टाइल उद्धरणGuardia, Dolores la. American Voices: Culture and Community. Boston: McGraw-Hill, 2003.
एमएलए उद्धरणGuardia, Dolores la. American Voices: Culture and Community. Boston: McGraw-Hill, 2003.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.