Royal Society (Great Britain) & British National Committee for the IGCP. (1978). United Kingdom contribution to the International Geological Correlation Programme. Royal Society.
Chicago Style (17. basım) AtıfRoyal Society (Great Britain) ve British National Committee for the IGCP. United Kingdom Contribution to the International Geological Correlation Programme. London: Royal Society, 1978.
MLA (8th ed.) AtıfRoyal Society (Great Britain) ve British National Committee for the IGCP. United Kingdom Contribution to the International Geological Correlation Programme. Royal Society, 1978.
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