Dyfyniad APA

Ostrander, G. M. (1970). American civilization in the first machine age: 1890-1940. Harper & Row.

Dyfyniad Arddull Chicago

Ostrander, Gilman Marston. American Civilization in the First Machine Age: 1890-1940. New York: Harper & Row, 1970.

Dyfyniad MLA

Ostrander, Gilman Marston. American Civilization in the First Machine Age: 1890-1940. Harper & Row, 1970.

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