Cofnodi Dyfyniadau
Dyfyniad APA
Dooley, D. (1984). Social research methods. Prentice-Hall.
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Dyfyniad Arddull Chicago
Dooley, David. Social Research Methods. Englewood Cliffs, N.J.: Prentice-Hall, 1984.
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Dyfyniad MLA
Dooley, David. Social Research Methods. Prentice-Hall, 1984.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.