Dyfyniad APA

Hubbard, L. R. (2009). History of research and investigation [sound recording]. Golden Era Publications.

Dyfyniad Arddull Chicago

Hubbard, L. Ron. History of Research and Investigation [sound Recording]. Los Angeles, CA: Golden Era Publications, 2009.

Dyfyniad MLA

Hubbard, L. Ron. History of Research and Investigation [sound Recording]. Golden Era Publications, 2009.

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