Dyfyniad APA

Burger, W. V. (1935). Teacher's manual for Ditto directed study lessons in American history. Ditto, Inc..

Dyfyniad Arddull Chicago

Burger, William V. Teacher's Manual for Ditto Directed Study Lessons in American History. Chicago: Ditto, Inc., 1935.

Dyfyniad MLA

Burger, William V. Teacher's Manual for Ditto Directed Study Lessons in American History. Ditto, Inc., 1935.

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