(1993). Peterson's Annual Guide to Graduation Study. Peterson's Guides.
शिकागो स्टाइल उद्धरणPeterson's Annual Guide to Graduation Study. New Jersey: Peterson's Guides, 1993.
एमएलए उद्धरणPeterson's Annual Guide to Graduation Study. Peterson's Guides, 1993.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.