Mendenhall, W. (1971). Elementary Survey Sampling William Mendenhall; Lyman Ott And Richard L. Scheaffer. Wadsworth.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMendenhall, William. Elementary Survey Sampling William Mendenhall; Lyman Ott And Richard L. Scheaffer. Wadsworth, 1971.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMendenhall, William. Elementary Survey Sampling William Mendenhall; Lyman Ott And Richard L. Scheaffer. Wadsworth, 1971.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.