Dyfyniad APA

White House Conference on Child Health and Protection. (1930). Preliminary commitee reports. Century Co.

Dyfyniad Arddull Chicago

White House Conference on Child Health and Protection. Preliminary Commitee Reports. New York: Century Co, 1930.

Dyfyniad MLA

White House Conference on Child Health and Protection. Preliminary Commitee Reports. Century Co, 1930.

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