Bottomley, T. (1979). An introduction to co-operatives: A programmed learning text. Intermediate Technology Publications [for the] Co-operative Educational Materials Advisory Service of the International Co-operative Alliance.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBottomley, Trevor. An Introduction to Co-operatives: A Programmed Learning Text. London: Intermediate Technology Publications [for the] Co-operative Educational Materials Advisory Service of the International Co-operative Alliance, 1979.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBottomley, Trevor. An Introduction to Co-operatives: A Programmed Learning Text. Intermediate Technology Publications [for the] Co-operative Educational Materials Advisory Service of the International Co-operative Alliance, 1979.
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