Cofnodi Dyfyniadau
Dyfyniad APA
Singer, M. J., & Munns, D. N. (1987). Soils: An introduction. Macmillan.
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Dyfyniad Arddull Chicago
Singer, Michael J., and Donald N. Munns. Soils: An Introduction. New York: Macmillan, 1987.
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Dyfyniad MLA
Singer, Michael J., and Donald N. Munns. Soils: An Introduction. Macmillan, 1987.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.