Cowan, I. B., Easson, D. E., Knowles, D., & Hadcock, R. N. (1976). Scotland: By Ian B. Cowan and David E. Easson. With a forew. by David Knowles OSB and maps by R. Neville Hadcock (2. ed.). Longman.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCowan, Ian Borthwick, David Edward Easson, David Knowles, और Richard Neville Hadcock. Scotland: By Ian B. Cowan and David E. Easson. With a Forew. by David Knowles OSB and Maps by R. Neville Hadcock. 2. ed. London: Longman, 1976.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCowan, Ian Borthwick, et al. Scotland: By Ian B. Cowan and David E. Easson. With a Forew. by David Knowles OSB and Maps by R. Neville Hadcock. 2. ed. Longman, 1976.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.