Clement, G., & Levine, M. Copyright and publication status of pre-1978 dissertations: A content analysis approach.
Dyfyniad Arddull ChicagoClement, Gail., và Melissa Levine. Copyright and Publication Status of Pre-1978 Dissertations: A Content Analysis Approach.
Dyfyniad MLAClement, Gail., và Melissa Levine. Copyright and Publication Status of Pre-1978 Dissertations: A Content Analysis Approach.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.