Dyfyniad APA

Lillian ,Eichler Watson. Bantam Book of Correct letter writing. Bantam Boo.

Dyfyniad Arddull Chicago

Lillian ,Eichler Watson. Bantam Book of Correct Letter Writing. New York: Bantam Boo.

Dyfyniad MLA

Lillian ,Eichler Watson. Bantam Book of Correct Letter Writing. Bantam Boo.

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