Dyfyniad APA

Lewis, E. E. (1927). The common-word spellers: Junior high school books, grades seven, eight and nine, spelling in service. Ginn and Company.

Dyfyniad Arddull Chicago

Lewis, Ervin Eugene. The Common-word Spellers: Junior High School Books, Grades Seven, Eight and Nine, Spelling in Service. Boston: Ginn and Company, 1927.

Dyfyniad MLA

Lewis, Ervin Eugene. The Common-word Spellers: Junior High School Books, Grades Seven, Eight and Nine, Spelling in Service. Ginn and Company, 1927.

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