Dyfyniad APA

Dallas Public Schools. (1943). Biology 3 manual: The Dallas High Schools. September 1943. Bulletin no. 149. Dallas High Schools Printshop.

Dyfyniad Arddull Chicago

Dallas Public Schools. Biology 3 Manual: The Dallas High Schools. September 1943. Bulletin No. 149. Dallas: Dallas High Schools Printshop, 1943.

Dyfyniad MLA

Dallas Public Schools. Biology 3 Manual: The Dallas High Schools. September 1943. Bulletin No. 149. Dallas High Schools Printshop, 1943.

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