Dyfyniad APA

Smith, N. B., & Courtis, S. A. (1924). Teacher's manual. World Book Company.

Dyfyniad Arddull Chicago

Smith, Nila Banton, and Stuart A. Courtis. Teacher's Manual. Yonkers-on-Hudson, New York, Chicago: World Book Company, 1924.

Dyfyniad MLA

Smith, Nila Banton, and Stuart A. Courtis. Teacher's Manual. World Book Company, 1924.

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