Dyfyniad APA

Lester, J. D. (1967). Writing research papers: A complete guide. Scott,Foresman and co..

Dyfyniad Arddull Chicago

Lester, James D. Writing Research Papers: A Complete Guide. Illinois: Scott,Foresman and co., 1967.

Dyfyniad MLA

Lester, James D. Writing Research Papers: A Complete Guide. Scott,Foresman and co., 1967.

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