Mark, L. (2011). The little black schoolbook: The secret to getting straight 'as' at school and university. Taylor Trade Publishing.
शिकागो स्टाइल उद्धरणMark, Lopez. The Little Black Schoolbook: The Secret to Getting Straight 'as' At School and University. Taylor Trade Publishing, 2011.
एमएलए उद्धरणMark, Lopez. The Little Black Schoolbook: The Secret to Getting Straight 'as' At School and University. Taylor Trade Publishing, 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.