Cofnodi Dyfyniadau
Dyfyniad APA
ebrary, Inc, & Walford, G. (1991). Doing educational research. Routledge.
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Dyfyniad Arddull Chicago
ebrary, Inc, and Geoffrey Walford. Doing Educational Research. London ; New York: Routledge, 1991.
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Dyfyniad MLA
ebrary, Inc, and Geoffrey Walford. Doing Educational Research. Routledge, 1991.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.