Dyfyniad APA

Lee, R. M. (2000). Unobtrusive methods in social research. Open University Press.

Dyfyniad Arddull Chicago

Lee, Raymond M. Unobtrusive Methods in Social Research. Buckingham [England]: Open University Press, 2000.

Dyfyniad MLA

Lee, Raymond M. Unobtrusive Methods in Social Research. Open University Press, 2000.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.