Dyfyniad APA

Keesecker, W. W., & Lathrop, E. A. (1941). Laws affecting school libraries. U. S. Govt. Print. Off.

Dyfyniad Arddull Chicago

Keesecker, Ward W., and Edith Anna Lathrop. Laws Affecting School Libraries. Washington: U. S. Govt. Print. Off, 1941.

Dyfyniad MLA

Keesecker, Ward W., and Edith Anna Lathrop. Laws Affecting School Libraries. U. S. Govt. Print. Off, 1941.

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