Petter, H. M., Salt, L. E., & Sinclair, R. (1976). Oxford junior encyclopaedia volume VII: Industry and commerce. London: Oxford University Press.
Chicago Style CitationPetter, Helen Mary, Laura E. Salt, and Robert Sinclair. Oxford Junior Encyclopaedia Volume VII: Industry and Commerce. London: Oxford University Press, 1976.
MLA CitationPetter, Helen Mary, Laura E. Salt, and Robert Sinclair. Oxford Junior Encyclopaedia Volume VII: Industry and Commerce. London: Oxford University Press, 1976.
Warning: These citations may not always be 100% accurate.