Association of Teachers of Geology (Great Britain). (1969). Geology: Journal of the Association of Teachers of Geology. Association of Teachers of Geology.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAssociation of Teachers of Geology (Great Britain). Geology: Journal of the Association of Teachers of Geology. [S.l.]: Association of Teachers of Geology, 1969.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিAssociation of Teachers of Geology (Great Britain). Geology: Journal of the Association of Teachers of Geology. Association of Teachers of Geology, 1969.
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