Dyfyniad APA

Parker, D. H. (1969). SRA reading laboratory (Revised edition.). Science Research Associates.

Dyfyniad Arddull Chicago

Parker, Don H. SRA Reading Laboratory. Revised edition. Chicago: Science Research Associates, 1969.

Dyfyniad MLA

Parker, Don H. SRA Reading Laboratory. Revised edition. Science Research Associates, 1969.

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