Dyfyniad APA

American Viewpoint Society. (1929). Junior-senior high school clearing house. American Viewpoint Society.

Dyfyniad Arddull Chicago

American Viewpoint Society. Junior-senior High School Clearing House. Albany, N.Y.: American Viewpoint Society, 1929.

Dyfyniad MLA

American Viewpoint Society. Junior-senior High School Clearing House. American Viewpoint Society, 1929.

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