Wheeler, B. G. (1991). Shifting boundaries: Contextual approaches to the structure of. Westminister.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWheeler, Barbara G. Shifting Boundaries: Contextual Approaches to the Structure of. Louisville: Westminister, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWheeler, Barbara G. Shifting Boundaries: Contextual Approaches to the Structure of. Westminister, 1991.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.